MOSCOW (Reuters) - Russia's Federal Security Service and tax inspectors on Thursday searched the Moscow offices of Mikhail Prokhorov, a tycoon whose newspaper has published revelations about people close to Vladimir Putin, four sources close to his businesses told Reuters on Thursday.
The searches were being conducted at Onexim Group, which manages the assets of 50-year-old Prokhorov, who according to Forbes magazine is Russia's 14th richest man with wealth of $7.6 billion.
The sources said the reason for the searches was not clear.
The Federal Security Service could not immediately be reached for comment. A spokesman for the tax service said she did not yet have any information.