The lashkar comprising the local tribesmen Sunday claimed to have cut off the supply line of the extremists. At least five extremists were killed and seven others injured in various skirmishes in these areas. The national lashkar also arrested three extremists and handed them to the police. According to sources, the national lashkar pounded on three important hideouts of the extremists during the clashes in Upper Dir area of Doogdrah, killing five extremists and injuring seven others. The national lashkar have besieged 300 extremists for seven days now; also, they are advancing to the Shotkas and Ghazigai. A great exodus of panicked local people is being witnessed in these areas. The camps have been set up at Malakand University Sharangal for these incomers; dozens of families have already arrived here.