U.S. troops in Afghanistan launched a barrage of artillery at insurgents attacking their position from inside Pakistan's volatile tribal region, in a cross-border strike coordinated with Pakistan's military, U.S. and NATO officials said Tuesday.
The strike less than a mile inside Pakistan came after the militants fired rockets at a U.S. position in Afghanistan. Al-Qaida and Taliban militants have long found refuge in the border region, where they launch attacks on U.S. and NATO forces in Afghanistan.
Sunday's operation highlights growing cooperation between Afghan, Pakistani and U.S. officers, military officials said.
Coordination meetings have resumed between Afghan, Pakistani and U.S. officers, while the U.S. has deployed extra troops to help seal the border while Pakistan's military conducts an offensive against militants in Bajur, an unruly tribal area that is a rumored hiding place of al-Qaida leader Osama bin Laden.
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Sunday's operation came at an especially sensitive time, with a surge in U.S. missile strikes deepening already widespread antipathy among Pakistanis toward the presence of Western forces in the region.