UPDATE 7-Ivory Coast's Gbagbo must step down, rival says
* Ouattara says receives Mbeki in role as president
* Mbeki canvassing "all points of view"
* Rebel commander says forces won't wait long
(Adds Gbagbo names prime minister, paragraph 5)
By Loucoumane Coulibaly and David Lewis
ABIDJAN, Dec 5 (Reuters) - Presidential claimant Alassane Ouattara said on Sunday that incumbent Laurent Gbagbo must step down after a disputed poll in Ivory Coast, and he named a rival government as African mediators tried to resolve the stalemate.
The Nov. 28 election was aimed at reuniting the West African nation, split after a 2002-3 civil war, but both Gbagbo and Ouattara have claimed victory and taken presidential oaths.
Gbagbo was sworn in as president on Saturday even though the electoral commission declared Ouattara the winner, according to provisional results giving him a 10 percent lead that were ratified by the United Nations.
Ivory Coast's military said it would re-open its land, air and sea borders from Monday at 6 a.m. (0600), after they were sealed during a tense wait for election results. It was unclear why the military decided to reopen the borders at this point. Continued...