FILE - U.S. administrator in Iraq Paul Bremer, fourth left, along with UN and Iraqi officials pays last respects before Sergio Vieira de Mello\'s coffin, draped in a UN flag is loaded on a Brazilian presidential plane at Baghdad international airport, in Baghdad, Iraq, Aug. 22, 2003. Vieira de Mello, the top U.N. official in Iraq, was killed in a suicide truck bombing attack on U.N. headquarters that killed at least 22 other people and left more than 100 injured. (AP Photo/Manish Swarup, File) Associated Press/LaPresse