KANPUR: Three coaches of the Chauri Chaura Express (15003), running from Kanpur Anwarganj to Gorakhpur, derailed at Kanpur Central railway station on Wednesday evening.The incident occurred around 5.05pm, shortly after the train departed from platform 7. Coaches B4, B5 and B6 went off the tracks.Further details about the incident, including whether anyone was injured and the extent of disruption to train services, are awaited.This is a developing story.