Police have declined to identify the presumed target of the blast, but several sources say it was Ukrainian-born businessman Vadym Yermolaiev, a permanent resident of Monaco who has acquired Cypriot nationality

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

Police hunt fugitive after a rare explosion wounds multimillionaire Vadym Yermolaiev and two others.

Vadym Yermolaiev thought to be among three people injured in blast