At least 19 people were injured in a low-intensity bomb explosion on the Sealdah-Krishnanagar local train in Kolkata.
The blast took place approximately at 2:30 a.m. on Tuesday, after the train left Titagarh.
According to reports, the low intensity blast happened after clashes between two groups.
The injured passengers have been admitted to a local hospital.
Meanwhile, the Railway Police has initiated the probe over the blast.