LASHKAR GAH, Afghanistan, Jan. 22 (Xinhua) -- Three persons including the attacker were killed and 18 others sustained injuries as a suicide bomber targeted a police convoy in Helmand's provincial capital Lashkar Gah, 555 km south of Kabul, on Thursday, spokesman for provincial government Omar Zawak said.

"A suicide bomber driving an explosive-laden car blew himself up next to a convoy of police in Lashkar Gah city this afternoon leaving three persons including himself, a police and a civilian dead and injured 18 others including five children," Zawak told Xinhua.

The deadly bombing took place at around 2:40 p.m. local time, according to the official.

He also put the attack on the enemies of peace, a term used against Taliban militants for the attack. However, the armed outfit fighting the government has yet to claim responsibility.