BAGHDAD, May 8 (Xinhua) -- A suicide bomber blew himself up near a police station in a town northeast of Baghdad on Tuesday, killing two policemen and wounding 22 people, a police source from Diyala province said.

    "A suicide bomber wearing an explosive-belt blew himself up near the police station of Jalwla'a town, some 150 km north east of Baghdad, and two policemen were killed," the source told Xinhua on condition of anonymity.

    The blast also wounded 22 old people, said the source.

    According to the source, the police station is adjacent to the town's government bank, where dozens of retired government employees were queuing for their pensions while the incident happened.