Six security personnel were killed and eight others were seriously injured in clashes with Baloch insurgents in volatile Dera Bugti are on Saturday. "Sporadic clashes between security forces and tribesmen resulted in the killing of three security personnel and injuries to five others in Pir Koh area where a fierce exchange of fire took place between the two sides," said rebel tribal commander Mir Alam Khan Bugti while briefing reporters about the developments in the tense area. He said government forces and armed men also exchanged fire in Sarloop area, 30kms east of Dera Bugti, which left one security personnel dead.Two more government personnel were killed as violence continued in Loti area where rockets were fired on a gas field and shelling was continuing. Sources told the Daily Times that rockets were fired at security forces' camps on Friday and other smaller weapons were also used. " Well No 6 of Loti Gas Field came under attack. The exchange of fire in the area left two dead and three injured," said a source.