ISLAMABAD, July 21: Unidentified attackers fired rockets in a pre-dawn attack on a United States military camp outside the city of Gardez in eastern Afghanistan, a news report said on Sunday.

Witnesses said the rockets were fired over several hours and fell close to the camp situated about three kilometres south of the city, according to the Afghan Islamic Press (AIP) agency.

There was no immediate word on any damage or casualties caused by the attackers, the Pakistan-based agency said.

Gardez is the capital of Paktia province, bordering Pakistan, where US forces had been hunting for Al Qaeda and Taliban militants.

A local warlord, Badshah Khan Zadran, who supports the hunt but has refused to accept the administrators sent by the US-backed central government in Kabul, has kept the region unstable.—dpa