2 policemen killed in hand grenade blast in Pakistan's Karachi

Two policemen were killed and two others injured in a hand grenade blast on Wednesday in Pakistan's southern port city of Karachi.

According to a spokesperson of police, the blast occurred during an inspection at Garden Police Headquarters.

The victims were shifted to a local hospital, Xinhua news agency reported quoting police.

The two deceased and an injured were constables while the other injured was a sub-inspector of police.