Friend and Ally Update -- another report on [1] this incident: "Pakistan: US helicopter raid blocked in border area," from [2] AKI, September 15 (thanks to [3] Report On Arrakis):

Wana, 15 Sept. (AKI) - The Pakistani army and local tribes on Monday were reported to have blocked an attempt by US troops to stage a fresh attack against militants in the region bordering Afghanistan.

Sources cited by Pakistan's Geo News, said US troops aboard two helicopters were trying to enter Pakistan near Angoor on the border when local tribes and Pakistani troops resisted the move and opened fire, forcing the helicopters to return....