The motive behind the bombing attack against a Ukrainian-born millionaire in Monaco remains shrouded in mystery as residents of the super wealthy city-state grapple with their suddenly shattered sense of security.

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

A blast from an explosive device wounded Ukrainian oligarch Vadym Yermolaiev and two others in Monaco on Monday, authorities said, in a "deliberate" act unprecedented in the…

Explosion at residence near border with France was ‘very likely an attack’, minister says