A powerful explosion in Monaco has triggered a major cross-border manhunt after a suspected parcel bomb injured three people, including prominent Ukrainian businessman Vadym Yermolaiev and members of his family. Surveillance footage reportedly shows a suspect leaving a backpack moments before the blast. Authorities in Monaco and France are now working together to track down the attacker, while investigators continue to examine whether the businessman was deliberately targeted. The incident comes amid heightened security concerns involving Ukrainian figures in Europe.