The US has ruled out Mansoor Ijaz's allegations levelled against President Asif Zardari and former Ambassador Husain Haqqani that they were aware of US Special Forces operation in Abbottabad on May 02 during which Al-Qaeda's chief Osama bin Laden was killed. It's worth mentioning that Mansoor Ijaz in an article in Newsweek had claimed that President Zardari, as well as erstwhile envoy to US, Husain Haqqani were aware of US forces incursion in Osama's compound. White House spokesperson Caitlin Hayden said that "reports claiming Ambassador Haqqani or President Zardari had advance knowledge of the May 02 Abbottabad operation were baseless and out of context". Hayden was categorical that US made it sure that no one in Pakistan knew they were going to storm Osama Bin Laden's compound in the country's army's hometown. "In order to safeguard our men-in-action as well as the mission itself, the intelligence was not shared with anyone", Hayden added. White House was stirred into coming up with a clarification after controversial Pakistani-American businessman Mansoor Ijaz in an article published in The Daily Beast, Newsweek's online partner, claimed that the memo - Husain Haqqani had selected him for delivering to Admiral Mike Mullen, was part of a larger plan by Zardari and Haqqani.