QUETTA: Unidentified assailants fired 29 rockets at security forces in Dera Bugti and Kohlu on Tuesday, but there were no casualties. According to the reports, armed men fired 29 rockets on security forces in the two districts, but missed them. However, pipelines of the Pirkoh Gas Field were damaged during the exchange of fire between security forces and militants. The militants fled after retaliation from security forces.