Spain in mourning after its third train accident in a year, investigation continues Spain began three days of national mourning on October 29 after the collision a day earlier between two trains that left at least 68 dead and more than 100 injured. This is the worst train tragedy in the country since 2013, less than a year after a collision that left 46 dead. This disaster raised questions about the safety of the Spanish rail network after the transport minister spoke of a "mistake" and "unexplained circumstances" that led to the collision. read more