Pak fury over 'US assault'

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Pakistan has summoned the US ambassador to protest at an alleged cross-border raid which officials say killed at least 15 villagers in the north-west, BBC reports. brA number of civilians were reported killed in the raid, which Pakistan says was a violation of its sovereignty. brCorrespondents say the raid appears to have been the first ever ground assault by foreign forces based in Afghanistan. brUS-led and Nato forces said they had no reports of any such incursion. Border tensions have risen in recent weeks. brThe BBC's Syed Shoaib Hasan in Islamabad says US aircraft have carried out air strikes in the region, but a ground assault would be unprecedented. brIt is not clear who the target of any attack might have been. brPrime Minister Yousuf Raza Gilani said Pakistan would not allow any foreign power to carry out attacks on its territory. brHe was speaking hours after his motorcade was hit by sniper fire near the capital, Islamabad. Senior government officials say he was not in the car at the time.