YAKKAGHUND, Pakistan, (Reuters) – NATO helicopters attacked a military checkpoint in northwest Pakistan today, killing up to 28 troops and prompting Pakistan to shut vital supply routes for NATO troops fighting in Afghanistan, Pakistani officials said.
The attack is the worst single incident of its kind since Pakistan uneasily allied itself with Washington in the days immediately following the Sept 11, 2001 attacks on U.S. targets.
It comes as relations between the United States and Pakistan, its ally in the war on militancy, are already badly strained following the killing of al Qaeda leader Osama bin Laden by U.S. special forces in a secret raid on the Pakistani garrison town of Abbottabad in May.
Pakistan called that raid a flagrant violation of its sovereignty.
The Foreign Office equally condemned Saturday’s attack.
“Prime Minister Yusuf Raza Gilani has condemned in the strongest terms the NATO/ISAF attack on the Pakistani post,” ministry spokeswoman Tehmina Janjua said in a statement. “On his direction, the matter is being taken (up) by the foreign ministry in the strongest terms with NATO and the U.S.”
The commander of NATO-led forces in Afghanistan, General John R. Allen, said he had offered his condolences to the family of any Pakistani soldiers who “may have been killed or injured” during an “incident” on the border.
A spokesman for the force declined further comment on the nature of the “incident” and said an investigation was proceeding. It was not yet clear, he said, whether there had been deaths or injuries.
Two military officials said that up to 28 troops had been killed and 11 wounded in the attack on the Salala checkpoint, about 2.5 km (1.5 miles) from the Afghan border.
The attack took place around 2 a.m. (2100 GMT) in the Baizai area of Mohmand, where Pakistani troops are fighting Taliban militants.
A senior Pakistani military officer said efforts were under way to bring the bodies of the slain soldiers to Ghalanai, the headquarters of Mohmand tribal region.