Original sentence: A new group of business magnates controlling significant swathes of Russia's economy, such as Gennady Timchenko, Vladimir Yakunin, Yuriy Kovalchuk, Sergey Chemezov, with close personal ties to Putin, emerged according to media reports, although Timchenko himself has publicly denied the claim
Edited sentence: A new group of business magnates controlling significant swathes of Russia's economy, such as Gennady Timchenko, Vladimir Yakunin, Yuriy Kovalchuk, Sergey Chemezov, with close personal ties to Putin, emerged according to media reports