AlQa'dah 5, 1432, Oct 3, 2011, SPA - Fifteen people were killed when two tribes went to war in Kainantu in the Eastern Highlands province, Papua New Guinea police said Monday. Police spokesman Simon Kauba told the Australian national broadcaster ABC in Port Moresby that the Agarabi tribe staged a dawn attack on the Kamano tribe settlement at Banana Block in Kainantu, according to a report of the German Press Agency "DPA".