KURRAM: Five people were killed and several others suffered injuries when clashes erupted between rival tribes in different areas of Kurram district on Friday night over a dispute on establishment of bunkers. Police sources said clashes erupted when Bushehra tribesmen started establishing bunkers on the lands of Ahmadzai tribals. They said people of Central Kurram also started firing in Baleshkhel area with heavy and automatic weapons following the incident. The sources said one person was killed on Friday night and four died on Sunday while several others were injured in the fighting. Meanwhile, members of the Bugan tribe have blocked the Tall-Parachinar-Peshawar highway for traffic to the suffering local people. Furthermore, in Sadda Bazaar, market of a rival tribesman was blown up with explosives. On the other hand, negotiation among local elders, the district administration and police officials continued to affect ceasefire between the rival tribesmen.