The derailment in eastern India that killed 275 people and injured hundreds was caused by an error in the electronic signalling system that led a train to wrongly change tracks and crash into a freight train, officials said Sunday.
The derailment in eastern India that killed nearly 300 people and injured hundreds more was caused by an error in the electronic signaling system that led a train to wrongly change tracks.
Authorities worked to clear the mangled wreckage of the two passenger trains that derailed Friday night in one of the country's deadliest rail disasters in decades.