By Griff Witte and Imtiaz Ali
Washington Post Foreign Service
Monday, August 20, 2007; Page A11
The apparent collapse of the deal in the restive South Waziristan area followed the scrapping of a similar deal in neighboring North Waziristan in July, and comes as there are escalating tensions in both areas. On Sunday, the Pakistani military reported killing 15 insurgent fighters near the town of Mir Ali in North Waziristan.