The action filed with an international maritime tribunal is the latest development in an escalating row over the Falkland Islands.
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Missiles intercepted near Riyadh after Saudi coalition hits Yemen fuel depot
The Saudi-led coalition fighting in Yemen struck a fuel depot near the Houthi-controlled capital, Sanaa.
'Unplayable' Stanway a free-scoring warrior for Lionesses
Whatever the game, whatever the result, Georgia Stanway always seems to score for England.
Family pays tribute to 'warm and engaging' man killed in tiger attack
William Chapman was attacked by the tiger after he entered its pen at Yorkshire Wildlife Park.
Martinez issues scathing attack on Man Utd board - has he made things worse?
Lisandro Martinez launches a blistering attack on Manchester United's hierarchy for not strengthening the squad following qualification for the Champions League.
Martinez issues scathing attack on Man Utd board - has he made things worse?
Lisandro Martinez launches a blistering attack on Manchester United's hierarchy for not strengthening the squad following qualification for the Champions League.
Saudi man charged with planting 'sophisticated' recording device in OpenAI office
Prosecutors say the device, wrapped in toilet paper, was found inserted in a USB port on the back of a TV in an executive conference room.
Zelensky and Burnham to meet in Downing Street
The prime minister is calling for partners to step up support for Ukraine following Trump's criticism of Zelensky.
Couple and two children killed in arson attack named locally
A "multiple murder" investigation has been launched by gardaí (Irish police) following the blaze.
Pope diagnosed with lung cancer but had successful surgery, Vatican says
Pope Leo had successful surgery to remove a lower lobe of his right lung, the Vatican said.
Ex-gang boss sentenced to 40 years for orchestrating Tupac Shakur's murder
Davis was found guilty last month over his role in the late rap superstar's death in a drive-by shooting in 1996.
Man killed in tiger attack identified as William Chapman
Chapman, who was in his 20s, died after entering the tiger's enclosure at Yorkshire Wildlife Park.
Trump ousts Kimberly Guilfoyle as US ambassador to Greece after corruption allegations
Guilfoyle said the allegations of improper conduct were false and that being ambassador was the "honour of a lifetime".
Cornell bans all fraternity parties over gang sex assault allegations
The school has faced an uproar over how it handled assault allegations brought by a woman known as Jane Doe.
Pope's surgery to remove lump on lung 'concluded successfully', Vatican says
Pope Leo has said the growth is "contained" and had been found "at a very early stage".
'If we don't scream, they won't listen to us': Student protesters speak to BBC in Paris
Student protesters in France have told the BBC's James Waterhouse that they will continue to take action until change has been made. The protests have now entered their fourth week.
Horrified witnesses recount fatal rollercoaster incident at US amusement park
Police say preliminary information suggests the man who died at the Georgia amusement park fell from a ride.
Horrified witnesses recount fatal rollercoaster incident at US amusement park
Police say preliminary information suggests the man who died at the Georgia amusement park fell from a ride.
Russia did try to interfere with Brexit vote but had little impact, MI5 chief says
It comes after Andy Burnham said Moscow had tried to interfere in the 2016 referendum.
How did Katie Zacharia do at her first - very brief - White House briefing?
The BBC's Sarah Smith was in the room and describes Zacharia's performance and the moment she broke news about Kimberly Guilfoyle being asked to resign.
Murder investigation after couple and two children die in fire
Philip and Kim English, and two of their children, died in the fire and two more children are critically injured.