At least 45 suspected militants were killed by missiles launched by US drone aircraft in Pakistans northwest in less than 24 hours,local intelligence officials said on Tuesday.
Coming a day after Washington announced an 800 million delay in military assistance,the attacks could exacerbate tensions between the two allies.
The attacks started Monday night,when drones fired nine missiles into a militant compound and at a vehicle in North Waziristan,killing 25 suspected insurgents. Another strike hours later in South Waziristan killed five suspected militants. Then on Tuesday,a drone fired two missiles at another compound in North Waziristan. 15 militants were killed.