ISLAMABAD - Pakistan on Wednesday expressed its profound concern over the recent US drone attacks on tribal areas saying the missile strikes by unmanned aircraft are a violation of its sovereignty. The Foreign Office said that Pakistan was in regular contact with the US and serious concerns on the recent strikes had been put across strongly. In response to a question regarding the recent drone attacks, Foreign Office Spokesman Abdul Basit said, It has been Pakistans consistent position that drone attacks are a violation of Pakistans sovereignty and must be stopped. Pakistans own law enforcement operations are proceeding satisfactorily and the nations determination to eliminate the scourge of terrorism remains unshakable, he said. Online adds: US Presidents Advisor on National Security James Jones met Army Chief Gen Ashfaq Parvez Kayani here on Wednesday night. Both luminaries discussed mutual and bilateral matters, drone attacks, war against terrorism, regional security among others issues. The American official lauded Pakistan Armys efforts in war against terrorism, and expressed Americas satisfaction, assuring all possible support over the issue; promising continued American aid, in all sectors of defence and economy. Sources in the Army informed that during the talks, the COAS briefed the American advisor about operation Rah-e-Rast, and also expressed concern over drone attacks. The sources also informed that during the talks the Army Chief termed the rehabilitation of IDPs a main issue, for which he demanded full assistance of global community as committed by them.