Thomson ReutersJanuary 29, 2013 09:30
* Mutsoyev, Yushvayev looking to buy out Prokhorov
* $4 bln deal now before UK Takeover Panel
* Report fuels speculation of all-Russian gold merger
* Kerimov supports deal, flush with cash - sources
By Polina Devitt and Megan Davies
MOSCOW, Jan 29 (Reuters) - Two Russian billionaires have been shortlisted to buy a stake in Polyus Gold, sources said, in a deal which could pave the way for a merger with rival Polymetal to create a national gold mining champion.