MINGORA, Nov 17: Four security personnel were killed and seven others injured when a suicide bomber rammed his explosives-laden car into a checkpost in a remote area of Swat on Monday.

The checkpost is located on the Kalam Road in remote Gashkor area of Khwazakhela tehsil. The injured were taken to the district headquarters hospital in Saidu Sharif.

According to hospital sources four security personnel were killed, but a military spokesman put the death toll at three.

Troops cordoned off the area and imposed a curfew.

Taliban spokesman Muslim Khan claimed responsibly for the attack.—Correspondent