Vadym Yermolaiev was sanctioned by Ukraine for allegedly doing business in Russian-occupied Crimea. Two other people were also injured, including a 13-year-old.

One victim was named by a local news outlet as Vadim Ermolaev - one of Ukraine's wealthiest men - who is understood to have fled the country amid the war with Russia

Two of the victims suffered life-threatening injuries, police said. One of the wounded is Ukrainian oligarch Vadym Yermolaiev, a source said.