A judge investigating Spain’s worst train disaster in decades will question safety officials from state rail firm Adif after finding basic precautions were not made, court documents revealed.

Police will soon begin extracting information from the “black box” of a train that crashed last week, a Spanish court official said yesterday, potentially making clear why the driver failed to brake in time to stop the train from hurtling into a dangerous curve.

The driver of a Spanish train that derailed at high speed killing 79 people has been provisionally charged with multiple cases of negligent homicide.

The driver of a Spanish train that derailed at high speed was questioned by a judge yesterday as officials tried to determine if he was responsible for the accident, which killed 79 people.