Russian oligarch Kuzmichev put under formal investigation in France - source

FILE PHOTO: Alexey Kuzmichev, chairman of Russian investment company A1 advisory committee, attends a news conference in Moscow April 3, 2013. REUTERS/Sergei Karpukhin/File Photo

PARIS (Reuters) - French investigative judges on Wednesday put Russian tycoon Alexey Kuzmichev under formal investigation, a source at the financial prosecutor's office said.

Kuzmichev, who had been held for questioning since Monday, was put under formal investigation over allegations of laundering of tax evasion proceeds, money laundering and concealed work, the source said.