The death toll from Sunday's train derailment and collision in southern Spain rose to 40 on Monday, as investigations continued probing the cause of the incident.

Two trains derail near Adamuz, Cordóba province, leaving scores injured, state-owned broadcaster reports

Around 300 people were on board one of the trains, which derailed and crashed onto a neighboring track

Dozens of people wounded in the crash in Cordoba province.

It is not yet known what caused the accident