Prime Minister Yousuf Raza Gilani has again asked the United States to stop drone attacks and respect Pakistan's sovereignty. Talking to US Ambassador Anne W Patterson, who called on him at the PM's Secretariat on Thursday, Gilani said the drone attacks must stop, as the people of the Tribal Areas were extremely upset over the attacks. Sources told Online a host of issues came under discussion, including the war against terrorism and other matters of bilateral interest. Sources said Gilani also urged the US to fulfil its promises regarding the economic development of Pakistan. They said the US ambassador assured the PM that all possible cooperation would be extended to Islamabad and the US would continue to support Pakistan in the current crisis, especially after the Malakand operation. Meanwhile, Pakistan's Ambassador to China Masood Khan called on the PM and discussed Sino-Pak relations.