Special teams are probing different angles and collecting intelligence inputs

It was a crude device containing electric detonators strapped with batteries and a circuit board that went off on a private bus near here on Thursday, leaving 10 persons injured, investigations reveal.

Five special teams were probing the blast from different angles and collecting intelligence inputs. The device, kept in a jute bag, was placed beneath one of the seats in the jam-packed bus.

Clearing the confusion over what caused the blast, police sources said three electric detonators strapped to a 2-litre plastic bottle containing kerosene had exploded. There was no shrapnel inside the bag, a police officer said.

Scientific Assistants and Bomb Detection and Disposal Squad personnel from Tiruchi who conducted checks till the early hours found three detonators with wire, four pen-type batteries, a two-litre plastic container and a small circuit board in the vehicle.

Investigators said that the blast did not cause any damage to the bus which was proceeding to Thuraiyur in Tiruchi district from Jayamkondam in Ariyalur district after a halt at Perambalur.

The incident occurred near Eachampatti on the Perambalur-Thuraiyur Road.

The Perambalur police have registered a case under the Explosive Substances Act, 1908, and Section 285 (negligent conduct with respect to fire or combustible matter) of the IPC.

The Perambalur Superintendent of Police, Sonal Chandra, held a meeting with the special teams at the District Police Office here on Friday.