Secretary Hagel briefs the press in Abu Dhabi Secretary of Defense Chuck Hagel briefs the press in Abu Dhabi, United Arab Emirates, on April 25, 2013. Hagel announced that the White House released a statement that it has evidence that Syrian President Bashar Al-Assad has used chemical weapons against the Syrian rebels. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 093643-Z-QIP41-274.jpg Photo Gallery