Kanker, May 2 -- Three personnel of the District Reserve Guard (DRG) were killed and one seriously injured in an accidental Improvised Explosive Device (IED) blast during a de-mining operation in Chhattisgarh's Kanker district on Saturday, officials said.

According to officials, the incident occurred near the Kanker-Narayanpur boundary, where a team was dispatched from Chhotebethiya Police Station for de-mining, area domination, and search operations.

During the operation, an IED, believed to have been planted earlier by Maoist insurgents, accidentally detonated while being neutralised. The powerful explosion left four DRG personnel injured.

Three of the injured, identified as Inspector Sukhram Vatti, Constable Krishna Komra, and Const...