Ranchi : At least four security personnel were injured on Friday when Maoist guerrillas detonated a landmine in Garwah district of Jharkhand.

According to police, Maoist guerrillas detonated the landmine when the vehicle of the security personnel was passing Budha Pahad in Garwah district, around 140-km from Ranchi.

On Thursday night, one Maoist guerrilla was killed in a gun battle with security forces in Garwah.

Maoist guerrillas are active in 18 of Jharkhand's 24 districts.-Agency