| Updated at: 0135 PST, Thursday, October 07, 2010|
MIRANSHAH: At least three militants were killed when a US drone fired two missiles on a house in Pakistan's tribal region in a second strike Wednesday, security officials said.
The missile targeted a militant house in the Hormuz area of Mir Ali town in North Waziristan, a security official said.
Another security official said the missiles fired by a US drone destroyed the house, which has been surrounded by militants.
It was the second such incident on Wednesday, coming hours after a US drone strike killed five people in the region's main town Miranshah.
The United States has intensified its drone campaign in the tribal region on the Afghan border, which it calls the global headquarters of Al-Qaeda.
The US does not as a rule confirm drone attacks, but its military and the Central Intelligence Agency operating in Afghanistan are the only forces that deploy the pilotless aircraft in the region.
Pakistani authorities have reported 26 attacks since September 3 which have killed more than 140 people in the region, a hub for homegrown and foreign militants fighting in Afghanistan.