Mystery blood clots kill U.S. troops Monday 06-Oct-2003 8:58PM Story from United Press International Copyright 2003 by United Press International (via ClariNet) WASHINGTON, Oct. 6 (UPI) -- Several U.S. soldiers in the Iraqi war died from sudden illnesses and a United Press International probe shows those were triggered by unexplained blood clots. The Pentagon says blood clots caused two soldiers to collapse and die. At least eight other soldiers have also collapsed and died from what the military has described as non-combat-related causes. NBC reporter David Bloom also died of a blood clot in his lung after collapsing near Baghdad....