In the accident in the eastern Indian state of Odisha on the 2nd, 288 people including passengers were confirmed dead and about 900 people were injured. On the 4th, the number of deaths was revised to 275 deaths due to overlapping numbers, and nearly 1100 of the more than 800,4 injured people were discharged from hospital.
India's Minister of Railways said that it was caused by changes in signals and track-switching devices, and that there was a problem with the operation system.