ISLAMABAD, Pakistan (CNN) -- Four people were killed Tuesday night in a suspected U.S. missile strike in Pakistan's tribal region, according to a Pakistani intelligence official and a local government official.
It was the second suspected U.S. drone strike in Pakistan's tribal areas Tuesday.
The strike, launched from a drone, targeted a house in a village in North Waziristan, one of seven districts in Pakistan's Federally Administered Tribal Area along the Afghan border.
Officials say four others were wounded. The sources asked not to be identified because they are not authorized to speak to the media.
The sources did not identify who was killed and wounded in the incident.
In the earlier strike, five people were killed in an attack in Sararogha, a small village in South Waziristan. The identify of those killed was not immediately known.
The United States is the only country in the region known to have the ability to launch missiles from drones, which are controlled remotely.
U.S. officials normally do not comment on suspected drone strikes, which have caused tension between Pakistan and the United States in the past.
The Pakistani military is fighting Taliban militants in the country's north, and missile attacks from suspected U.S. drones have targeted militant leaders.
Journalist Nasir Habib contributed to this report.