Passengers of the Delhi-Dibrugarh Rajdhani Express had a narrow escape when a powerful bomb targeting the train exploded on a railway track in Karbi Anglong district in the wee hours on Thursday.

The incident occurred five-km away from the town at 1.10 am, just after a security escort engine for checking the tracks passed the area prior to the movement of the Rajdhani Express, police said, adding the bomb was planted by a suspected ethnic group.