A sound bomb explosion has rocked Sanandaj in the western Iranian province of Kordestan, causing minor damage to a bus parked nearby.
The blast took place at about 12 p.m. local time (0730 GMT) on Sunday in Naser Khosrow Street in the provincial capital, ISNA reported.
No one was injured, but the force of the explosion damaged a bus parked in the vicinity.
Police have launched an investigation into the incident.
Sound bombs produce loud blasts that create smoke but seldom cause serious injuries.
Source: PressTV