Reuters Pictures
Palestinians collect aid packages from the United Nations at the Jabalya refugee camp, north Gaza Strip, in this October 7, 2004 file photo. Aid workers, killed on the frontlines of conflicts around the world, are being honoured for the first time. World Humanitarian Day is being marked on Wednesday, August 19, 2009 the sixth anniversary of the truck bombing of the United Nations headquarters in Baghdad, which killed 22 people including special U.N. Envoy Sergio Vieira de Mello. Picture taken October 7, 2004.