WASHINGTON (Online) - The United States is taking precautions to ensure safety of its aid workers and military personnel engaged in flood relief efforts in Pakistan, the top American commander said in the wake of open threat issued by the Taliban to the foreigners assisting the disaster-hit people. Admiral Mike Mullen, Chairman of the Joint Chiefs of Staff, also hoped that all of those who were providing aid in the very difficult set of circumstances would not be impeded. I share the concern that was stated by the State Department. I havent seen any indication that thats happened yet. But the insurgents have no moral bounds, and that they might do something like that isnt outside the realm of possibilities, Mullen told journalists in Cleveland, amid reports that Tehrik-e-Taliban Pakistan (TTP) had threatened international aid workers asking them to leave the country. A day earlier, State Department spokesman PJ Crowley said the US had information of the potential targeting of foreign relief workers in Pakistan as well as govt ministries. Were in possession of threat information (from the Taliban). We are talking to and working with the government of Pakistan to do everything we can to make sure that our disaster response and Pakistans disaster response can continue in light of this threat, he said. Crowley said his country was is concerned that extremist elements within Pakistan, including the Tehrik-e-Taliban Pakistan, might well decide to attack foreigners in Pakistan helping the people or might choose to attack Pakistans govt institutions, responding on behalf of the Pakistani people.