WARNING: THIS EDIT CONTAINS GRAPHIC IMAGES<br/> <br />Decomposing bodies lie in South Sudan.<br/> <br />A massacre of men, women and children.<br/> <br />United Nations officials say rebel troops have slaughtered hundreds of civilians in the oil city of Bentiu.<br/> <br />(SOUNDBITE) (English) Toby Lanzer, Deputy Special Representative of the Secretary General, Saying:<br/> <br />"During the past few days, Bentiu was the scene of severe violence, very targeted deliberate violence that struck individuals of certain identities. And I think that what I have so far seen in the Mosque and other parts of town is really been very very heart wrenching, certainly atrocities have been committed here on very significant scale."<br/> <br />More than a million people have fled their homes since fighting erupted in December.<br/> <br />The conflict pits troops backing President Salva Kiir against soldiers loyal to his sacked vice president Riek Machar.<br/> <br />The UN peacekeeping mission there said its human rights investigators confir
