TEHRAN, Aug. 5 (Xinhua) -- The explosion of a sound device injured four policemen on Wednesday in Zahedan city, southeastern Iran, according to state TV.
The blast happened next to a police car patrolling Zahedan's Zibashahr neighborhood shortly after midnight, the report said.
A car stationed in the area was damaged.
The four policemen, suffering slight injuries, have been released from hospital, the official IRNA news agency said. Enditem
