Watch: 'Chaotic scenes' at site of Spain's deadly train crash

Dozens of people have died following and other have been injured after two high-speed trains collided south of the Spanish capital Madrid.

Prime Minister Pedro Sánchez said it was "unacceptable" that Spain had suffered its second fatal rail crash in a year.

The BBC's Guy Hedgecoe reports from the scene of the crash.

Follow our live coverage here.