Gupta was arrested in the Czech Republic last year at the request of the US government on charges of being involved in a plot to assassinate Sikh separatist Gurpatwant Singh Pannun.

West Bengal CM Mamata Banerjee said senior administrative staff, doctors, ambulances and disaster teams have been rushed to the site for rescue

Several passengers have suffered injuries after an express train collided with a goods train in Darjeeling district of West Bengal this morning. Kanchanjungha Express was travelling from Silchar in Assam to Sealdah in Kolkata when a goods train hit it from behind near Rangapani station, located close to New Jalpaiguri.

Two coaches of the Kanchanjungha Express have been derailed in the crash, it is learnt. More details about the accident are awaited.

Bengal Chief Minister Mamata Banerjee has said doctors and disaster response teams have been rushed to the spot.

“Shocked to learn, just now, about a tragic train accident, in Phansidewa area of Darjeeling district. While details are awaited, Kanchenjunga Express has reportedly been hit by a goods train. DM, SP, doctors, ambulances and disaster teams have been rushed to the site for rescue, recovery, medical assistance. Action on war-footing initiated,” she posted on X.