An unidentified man has fired shots at the knees of Oleksandr Samoilenko, the leader of the Regions Party's branch in Izmail, a source in the city council said on Wednesday.
The attack was made at around 0800 when Samoilenko was approaching his car.
The injured was taken to a local hospital.
Police officers blocked exits from the city. The person who fired the shots is currently being identified.
The media liaisons office of the Ukrainian Interior Ministry's main department in Odesa region has not commented on the situation so far.