Ranchi: Four persons, including three CISF (Central Industrial Security Force) jawans, were killed when suspected MCC (Maoist Communist Centre) ultras triggered a landmine blast in Jharkhand's Bokaro district early on June 04.

The incident occurred at Karo mines under Bermo sub-division, police said.

The jawans were on patrol when the ultras blasted the landmine.

The driver of the patrol vehicle was also killed in the explosion.

PTI