The Iraqi 5th Corps charged with defending Mosul, Iraq third biggest city still in the hands of Saddam Hussein, has been reported to be negoiating surrender.Cable News Network said the corps, originally 30,000 strong and the Governor General of the Mosul Region in Northern Iraq were prepared to surrender to United States forces Thursday night but decided it would be safer to wait until daylight.Before the war the Iraqi 5th Corps comprised a mechanized division and two light infantry divisions but it is not known how many of its soldiers survived Allied bombing raids around Mosul.