ISLAMABAD, Pakistan - In two missile strikes less than an hour apart, suspected U.S. drones targeted vehicles and a terror cell hideout in northwestern Pakistan on Wednesday, killing at least nine insurgents, according to officials.

The first airstrike fired four missiles at a vehicle near Miran Shah, the largest town in the North Waziristan region, leveling a nearby house and killing six terrorists, a military intelligence officer said.

The second strike, less than an hour later, killed three insurgents traveling in Madakhel, a town about 25 miles west of Miran Shah, according to local officials, who spoke on condition of anonymity because they are unauthorized to talk with the media. 

They said other terrorists were wounded in the attacks.

On Tuesday, a U.S. missile strike destroyed the terror stronghold of warlord Hafiz Gul Bahadur in Datta Khel, whose gunmen have been battling U.S., NATO and Afghan forces in the region.

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AP contributed to this report.