Recordings between a control centre and the train drivers appear to show one train was given clearance to move even though another train had stalled on the track.
Most Recent Articles
US approves sale of 500 Patriot missiles to Ukraine
The American-made interceptors are the only effective weapon for downing Russia's ballistic missiles.
Evacuees from Russia-occupied city where residents ate weeds on way to Ukraine
Residents left the devastated city on Friday following a ceasefire brokered by US First Lady Melania Trump.
Celebrity Traitors comes to a climax in nail-biting final
The second series of the hit show reached its climax on Friday after attracting 15 million viewers.
Burnham 'open' to calls for slavery apology but not reparations
The British government has never formally apologised for slavery despite repeated calls from a number of Commonwealth leaders.
UK has 'no authority' over case of woman killed by father in US
Jane Coates wrote to Cheshire police urging them to gather evidence into Lucy Harrison's killing.
AC Milan v Inter and the tale of an iconic image
AC Milan versus Inter will be shown live on the BBC on Saturday - this is the story of the fixture's most iconic image.
Shearer discusses scoring record, MOTD & a brush with Cardiff
Alan Shearer discusses his love of Newcastle, almost continuing his managerial career and swapping the pitch for the commentary box in The Football Interview.
Shearer on trials of MOTD & the manager's job that never was
Alan Shearer discusses his love of Newcastle, almost continuing his managerial career and swapping the pitch for the commentary box in The Football Interview.
Spain train disaster clouds Sánchez chances of re-election
The Spanish PM is hit by a succession of crises just weeks before a snap general election.
Spain train disaster clouds Sánchez chances of re-election
The Spanish PM is hit by a succession of crises just weeks before a snap general election.
The Papers: 'Rush to recover stolen $6bn' and 'War on wind farms'
The theft of billions of dollars from Binance, the world's largest cryptocurrency exchange, makes Saturday's front pages.
The Papers: 'Rush to recover stolen $6bn' and 'War on wind farms'
The theft of billions of dollars from Binance, the world's largest cryptocurrency exchange, makes Saturday's front pages.
Mahmood expected to announce changes to rules around indefinite leave to remain
The home secretary has faced opposition from within the government over plans to impose new rules on migrant workers already in the UK.
Mahmood expected to announce changes to rules around indefinite leave to remain
The home secretary has faced opposition from within the government over plans to impose new rules on migrant workers already in the UK.
Verstappen and Lawson given grid penalties for Mexico practice collision
Max Verstappen accuses Liam Lawson of "not very smart behaviour" after the two collided in Friday practice at the Mexico City Grand Prix.
Verstappen and Lawson given grid penalties for Mexico practice collision
Max Verstappen accuses Liam Lawson of "not very smart behaviour" after the two collided in Friday practice at the Mexico City Grand Prix.
The fight to save Canadian town threatened by Trump's tariffs
A century-old paper mill in Témiscaming, Quebec is indefinitely closed after the US imposed 50% tariffs on its products, putting hundreds out of work.
Watch: Traitor or faithful? Celebrities reveal their allegiances
The second series of BBC One's The Celebrity Traitors reached its climax on Friday, with the 21 original contestants having been reduced to seven before the final.
Why North Korea's 'elite' hackers are the prime suspect in major Binance hack
If the accusations are true, the record-making heist shows how powerful suspected North Korean hackers have become.
Responsible or panicked? Meet the people around the world already preparing for crisis
Filter straws to a disposable toilet - people in the US, Japan, Sweden and Netherlands on what's in their emergency stashes.