(KUNA) -- Nine people were killed and 36 injured so far Tuesday in a booby-trapped car explosion near headquarters of the Patriotic Union of Kurdistan (PUK), a PUK official said. Moheeddin Mazuri, PUK's public relations and media official, told reporters four Peshmerga troops were killed and five civilians including three children. He added that the wounded, who were rushed to hospitals in Irbil, included 24 Peshmergas and 12 civilians. The bomb blast set 18 cars afire and damaged nearby buildings.A booby-trapped truck drove through a security check point before PUK headquarters thus triggering the guards to open fire at the driver killing him detonating the bomb.