Four CRPF personnel were killed on Wednesday and two injured in an IED blast triggered by Naxals at Lalgarh in West Bengal on the second day of their bandh called in five states.
The blast comes a day after Union Home Minister P Chidambaram asked the Naxals to abjure violence and come for talks.
The CRPF men had set out from their camp at Goaltore market to patrol nearby villagers on foot when the blast took place at Ramgarh in Lalgarh police station area in West Midnapore district at 1130 hrs.
"Four CRPF jawans and two were injured in an IED blast set off by Naxals," M Nageswar Rao, CRPF Inspector General of Police, Eastern Sector told PTI.
Those killed included three constables besides the driver of the SUV in which they were travelling. The vehicle was badly damaged in the explosion.
The blast left a five-feet-deep crater on the road.