Bhopal, March 07: At least eight persons were injured in a blast on a Bhopal-Ujjain passenger train in Madhya Pradesh on Tuesday, railway authorities said.”Eight passengers were injured in the blast which seemed to be of a low intensity. Security agencies are looking into the matter. We will also examine if there is any terror angle to the incident,” Anil Saxena, Railway Ministry spokesperson, told IANS.He said the blast occurred in the second coach behind the engine at 9.50 a.m. when the train was travelling between Jabri and Kalapipal stations, in Shajapur district of Madhya Pradesh. Three passengers were discharged after treatment at the Kalapipal Station, he added.