evidence: The move follows the deaths of at least 275 people in a three-way crash involving two passenger trains and a freight train in eastern Odisha state on June 2. [...] According to senior railway officials, the crash took place when the Coromandel Express, a high-speed train traveling from Kolkata to Chennai, was diverted onto a loop line and slammed into a heavy goods train idled at Bahanaga Bazar railway station.