The Marine died at about 4 p.m. Washington time (11 a.m. British time) on Friday, the network said.

On Thursday, in the first day of fighting, one U.S. Marine was killed in action. Eight British and four U.S. soldiers died in a helicopter crash in Kuwait.

U.S. Marines met unexpected resistance when they attacked a key southern Iraqi port earlier on Friday.

Iraqi ministers have vowed to "incinerate" the invaders and asserted that President Saddam had survived an early missile strike on a leadership bunker.