Go travelling <a href="https://www.snugglesproject.org/what-is-allopurinol-used-to-treat-d117.pdf">what is allopurinol used to treat</a> In May 2011 al-Qaeda leader Osama Bin Laden was killed by US special forces at his his hideout in Abbottabad in north-eastern Pakistan without the Pakistani government receiving prior warning from Washington.