Track Failure Suspected in Spain's Deadly Train Crash

Spanish investigators are now focusing on the railway track as the likely cause of a fatal train derailment. The crash killed at least 41 people near the southern city of Córdoba. Emergency crews worked through Tuesday to identify victims. The process is difficult due to the severity of the crash. The investigation's shift to the track suggests a possible infrastructure failure. Authorities have not yet confirmed the exact reason the train left the rails. The country is observing a period of official mourning for the victims.