Sergei Zavorotny, a former adviser to former Ukrainian Prime Minister Nikolai Azarov, Russia's Investigative Committee, was injured in a car explosion in southern Moscow.
"He was taken to a hospital in the city for medical treatment," said the Russian Investigative Committee.
The investigators opened a criminal case on suspicion of attempted murder following the explosion.
Video: Chief Investigative Director in Moscow of the Russian Investigative Committee.