Miransha- A fierce clash between two rival groups has killed 17 persons in North Waziristan in the past three days. According to the official sources, the violent clash between Pipli and Madakhel groups over disputed land has continued for the past three days Data Khel Tehsil of North Waziristan. Due to the dispute, 17 persons have so far lost their lives while 14 others got injured. Both the groups are fearlessly using missile, tanks, rockets and other automatic weapons against each other. Local residents are migrating to safer areas.