WMD hunters ambushed in Baghdad By P. Mitchell Prothero Published 4/26/2004 1:32 PM BAGHDAD, Iraq, April 26 (UPI) -- An explosion that killed al least three U.S. personnel in Baghdad was an ambush of a top-secret unit detailed to search for weapons of mass destruction, United Press International has confirmed. The military initially claimed that a detail of U.S. Army soldiers were about to raid a suspected bomb making factory when two were killed after an explosion. Several Iraqis in the area at the time told UPI that the building exploded when the soldiers tried to enter the house. Although...