Spanish high-speed train collides after derailment, investigation shows possible break in track joint before accident.

High-speed train in Spain derails and collides investigation shows rail joint may have been broken before the accident Investigators at the scene of the high-speed train derailment and collision in Spain on the 19th found that the joint between two sections of track was broken. Preliminary investigation shows that this issue may have existed before the accident, and could have been a key factor in causing the train to derail and collide with another train. The investigation is still ongoing.