Pakistan has warned it will retaliate if India takes military action against it after a militant attack on Indian forces in Indian-administered Kashmir.
Prime Minister Imran Khan went on television to call on India to provide evidence to support its claims that Pakistan was involved.
India responded that Mr Khan was again making excuses.
More than 40 members of India's security forces died in Thursday's suicide bombing on their convoy.
Pakistan-based militant group Jaish-e-Mohammad said it was behind it.
The attack has raised tensions between India and Pakistan, which have fought two wars and a limited conflict in the region and are both nuclear powers.
What did Khan say?
In his first comments addressing the attack, he said India should "stop blaming Pakistan without any proof or evidence" and urged Indian authorities to share any "actionable intelligence".
"If you think that you will launch any kind of attack on Pakistan, Pakistan will not just think about retaliation, Pakistan will retaliate," he said, adding that only dialogue could help solve issues in Kashmir.
India has long accused Pakistan of backing militant separatists in Indian-administered Kashmir.
Mr Khan, who took office last year, said his government was ready to co-operate with India in investigating the attack. But he also said Delhi should reflect on why Kashmiri youth had reached a point where they no longer feared death.
However, the US had said it would increase tariff rates on $200bn worth of Chinese imports from 10% to 25% if the two sides did not reach a deal.
Mr Trump has also threatened further tariffs on an additional $267bn worth of Chinese products.
Washington is pressing Beijing to make changes to its economic policies, which it says unfairly favour domestic companies through subsidies and other support.
It has also accused the government of supporting technology theft as part of its broader development strategy, while in China there is a sense that the US is using the trade war to contain the country's rise.
Lionel Messi takes on the defender Erick Cabaco in Barcelona’s 5-0 win away to Levante. Photograph: Manuel Bruque/EPA
Lionel Messi scored his 43rd hat-trick for Barcelona as they gained a measure of revenge for their record-wrecking defeat by Levante last season with a comprehensive 5-0 victory.
Barça were aiming to become the first team to go unbeaten in a La Ligaseason when they played their penultimate game last May.
But their 36-match unbeaten run came to a stunning halt as, without the rested Messi, they found themselves 5-1 down before eventually losing 5-4.
There was no chance of a repeat story on Sunday in Valencia, though, as first-half goals from Luis Suárez and Messi set them on their way.
Messi then struck twice more after the break to secure the match ball and, after Erick Cabaco had been sent off for Levante, Gerard Piqué completed the scoring late on.
Sevilla are three points behind Barça in second after beating Girona 2-0 for their first win in three league games. Éver Banega’s 55th-minute penalty opened the scoring and Pablo Sarabia finished off a brilliant team move nine minutes later to wrap up the points.
In France Monaco lost 3-0 at Lyon and Thierry Henry’s side are now in the relegation zone. They had recorded two wins from their last three league outings but were behind after six minutes in Lyon as Houssem Aouar tucked away a rebound from a Bertrand Traoré shot.
In the 34th minute Nabil Fekir doubled the hosts’ lead after collecting Kenny Tete’s centre. Aleksandr Golovin was sent off for Monaco early in the second half and their punishment was complete shortly before the hour mark as Ferland Mendy headed home from another Tete assist.
In the Netherlands Ajax crushed De Graafschap 8-0, with two players getting hat-tricks, including the former Manchester United defender Daley Blind, who scored his goals in 25 minutes.
Ajax were three up well before half-time but then scored three times in seven second-half minutes to continue their thrashing of De Graafschap, who are bottom of the Eredivisie.
Hakim Ziyech also scored a hat-trick. Ajax remain second, two points behind PSV Eindhoven.
Since you’re here …
... Thanks for reading this Guardian football piece. Football is brilliant – OK, most of the time. OK, some of the time – and we think our readers like coverage of big moments and the biggest rows and deadline-day transfer speculation done with a certain amount of wit and panache. But we also hope that you recognise that we don't just park our values at the door when we enter the fun-filled football factory.
The Guardian's belief in social justice isn't an add-on to our football offering – it's integral. Whether it be Daniel Taylor's award-winning, groundbreaking reporting on sexual abuse and racism in football; David Conn's investigations into the Hillsborough disaster, football finances and the Qatar World Cup; Barney Ronay's work on the battle to save Millwall's ground from the developers, or Donald McRae's revelatory interviews with footballers who have fought mental health problems. Plus we're trying to do our bit for equality too: no comparable news organisation covers women's football with the scale and commitment we do. Serious reporting costs serious money, and if you can help us in any way by supporting us to shine a light on the darker corners of football we'd be very grateful.
If he takes home the prize again this year, it'll be the quickest an actor has won the same Oscar twice since Tom Hanks, who won best actor in 1993 (for Forrest Gump) and 1994 (Philadelphia).
Image copyrightREUTERSImage captionMahershala Ali indicating the number of Oscars he's hoping to have in his trophy cabinet
4. Fellow best supporting actor nominee Richard E Grant is well known to an older generation for Withnail & I.
However, a far more important acting performance than that was, of course, his role as the Spice Girls' manager in 1997's Spice World.
"Lena Dunham wrote four episodes of Girls for me to be in, because she'd seen me in Spice World, and Adele sent me a ticket to come and see her in London because she was also a Spice World: The Movie fan."
5. Glenn Close currently holds the dubious title of actress with the most Oscar nominations to her name without a win.
That's highly likely to change this year - as she's the favourite for best actress for her role in The Wife.
Her six previous nominations are for her roles in films including Fatal Attraction, Dangerous Liaisons, Albert Nobbs and The Big Chill.
6. In both the best actor and supporting actor categories this year, four of the five nominees portray real people in their roles.
And in both categories, the one that plays a fictional character is from A Star Is Born - Bradley Cooper and Sam Elliott.
The real-life figures portrayed across the two categories include Freddie Mercury, Vincent Van Gogh, Dick Cheney and George W Bush.
Image copyrightGETTY IMAGESImage captionRoma's Yalitza Aparicio (L) and Marina De Tavira are both up for acting prizes
7. This is the first year Netflix have scored a nomination for best picture.
In the shape of Roma - which is directed by Alfonso Cuaron.
8. Roma's star - Yalitza Aparicio - had never acted before when she was cast.
Other stars to score a best actress Oscar nomination with their first film include Quvenzhane Wallis (Beasts of the Southern Wild, 2013), Gabourey Sidibe (Precious, 2009), and Hailee Steinfeld (True Grit, 2010).
9. All four of the acting prizes this year could be for portrayals of lesbian, gay or bisexual characters.
The winning actors at the Baftas all were - Olivia Colman and Rachel Weisz played lovers in The Favourite, Mahershala Ali's portrayal of Don Shirley include several references to his homosexuality, while Rami Malek played gay icon Freddie Mercury.
Last year, the winners of the four acting categories were exactly the same at the Baftas and the Oscars.
Image copyrightREUTERSImage captionThe same four actors were awarded at both the Baftas and the Oscars last year
Frances McDormand, Gary Oldman, Allison Janney and Sam Rockwell each won their respective categories at both ceremonies.
But that's less likely to happen this year, as Glenn Close is expected to triumph in the best actress category over Olivia Colman, who took the Bafta.
10. In 2008, The Dark Knight helped prompt an Oscars rule change, which expanded the best picture category from five nominees to as many as 10.
It was hoped this would allow for more blockbuster superhero films (ie movies the public actually go to see) to be acknowledged.
However, it's taken a decade for a superhero film to actually benefit from this rule change - in the shape of this year's nomination for Black Panther.
11. RBG's nomination in the best song category for I'll Fight is the 10th Oscar nod for songwriter Diane Warren.
Her others include LeAnn Rimes's How Do I Live (from Con Air), Aerosmith's I Don't Want to Miss a Thing (from Armageddon) and Faith Hill's There You'll Be (from Pearl Harbour).
Last year Warren told Time that if she did win, "I would probably faint. They'd have to lift me out of there, I'd be so shocked."
Image copyrightUNIVERSAL
12. Incredibles 2 is nominated for best animated feature this year.
But sequels have rarely won in this category since the Oscars introduced it in 2001.
The last one that did was 2010's Toy Story 3. (Despite its misleading title, 2014's Big Hero 6 wasn't a sequel).
Toy Story had left an 11-year gap between the second instalment and the third - the long absence perhaps allowing the Academy's heart to grow fonder.
Incredibles 2 had an even longer absence - with 14 years between the first and second films. Could that work in its favour?
13. A Star Is Born is nominated in eight categories, but Bradley Cooper missed out on a nod for best director.
This is thought to have been at least partly influenced by a scathing New York Times profile, which criticised him for refusing to discuss how his personal life influenced making the film.
The star admitted to Oprah earlier this month he felt "embarrassed" by the snub.
Image copyrightREUTERSImage captionGlenn Close: Seven-time nominee, zero-time winner (but that could be about to change)
14. Chadwick Boseman wasn't originally going to have an African accent in Black Panther.
He told the Hollywood Reporter that Marvel originally suggested Wakandans should have British accents as otherwise it "may be too much for an audience to take".
But, he said: "It felt to me like a deal breaker. I was like, 'No, this is such an important factor that if we lose this right now, what else are we gonna throw away for the sake of making people feel comfortable?... Once we decided to do it, we went for it."
15. Mary Poppins Returns isn't going to have quite as big a night as the original.
It has four nominations this year, two for its music, plus best costume design and best production design.
The 1964 Julie Andrews film won five of the 13 Oscars it was nominated for - it missed out on best picture, however, to My Fair Lady.
Image copyrightREUTERSImage captionAmy Adams has been nominated for six Oscars but is yet to win
16. Increasingly, films don't need to be released during awards season to catch the Academy's attention.
One of 2018's big successes, Get Out, was released nearly a year before the Oscars ceremony it was nominated at.
This year sees nods for Black Panther (released last March) and BlackKklansman (last August).
17. Christian Bale shares a birthday with Dick Cheney, who he portrays in Vice.
But it's fair to say Bale doesn't share the same politics as the former Republican vice president.
While accepting his Golden Globe award last month, Bale said: "Thank you to Satan for giving me inspiration on how to play this role."
Transport Secretary Chris Grayling said: "The law is clear that flying a drone near an airport is a serious criminal act.
"We're now going even further and extending the no-fly zone to help keep our airports secure and our skies safe.
"Anyone flying their drone within the vicinity of an airport should know they are not only acting irresponsibly, but criminally, and could face imprisonment."
Image copyrightEDDIE MITCHELLImage captionThere were sightings of drones at Gatwick in December
Stop and search
It is already illegal to fly a drone above 400ft or within 1km of an airport boundary, and those who recklessly or negligently endanger an aircraft with a drone face up to five years in jail.
The government said the new stop and search powers would apply to people suspected of using drones maliciously nears airports.
The powers, to be included in the government's new Drones Bill, would also allow police to access electronic data stored on a drone.
The Association of Remotely Piloted Aircraft Systems (Arpas UK), which represents the drone industry, welcomed the wider no-fly zone but cautioned on the stop-and-search plans.
"Police will need to know exactly what the rules are and in exercising their powers do so in the right way," said Rupert Dent, an Arpas UK committee member.
"We are keen it doesn't prevent legitimate operators from operating drones in a legitimate fashion."
Eye witness accounts
Following the Gatwick disruption, Sussex Police arrested a drone enthusiast and his partner who lived near the airport, but they were released without charge on 23 December, having been cleared of any involvement.
In a statement Sussex Police said they had still not found the perpetrators, despite having 130 eyewitness accounts of illegal drone flights.
"We continue our criminal investigation, which is challenging in its scale and in the type and quality of evidence immediately available," a spokeswoman said.
"Despite a reward of £50,000 for public information leading police to the person or persons responsible, we have not received the critical information that we believed exists within the community."
