RN Mahapatra, CPRO Eastern Railway, said the train left Sealdah station at 03:20 am and reached Titagarh station at 03:55 am. The blast took place just after a person boarded the train at Titagarh station.

He said of the 14 injured, seven were discharged after being given first aid while seven others were admitted to a nearby hospital.

Security has been beefed up to ensure passenger safety, he said, adding that the incident appeared to be the outcome of group rivalry.

Train services along the Sealdah Main Section was normal. However, two trains were cancelled as train movement was hit following the incident.

The railway police were investigating the incident which appeared to be a crude bomb blast.

Recently on May 7, 12 people were killed and four others were injured in an explosion in a firecracker factory at Pingla in West Midnapore district in West Bengal.

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