Ankara: Russian ambassador Andrey Karlov was attacked by unidentified gunmen late Monday in Ankara.
Karlov was shot with a gun while making a speech at a painting exhibition in the Turkish capital, the Russian embassy said, adding it believed that it was a radical Islamist attack.
The attack comes a day before Turkish Foreign Minister Mevlüt Cavusoglu heads to Moscow for talks on Syria with his Russian and Iranian counterparts.
Private broadcaster CNN Turk said Karlov was in a critical state.
Meanwhile, private broadcaster NTV said three other persons were also injured in the attack.