An explosion at a residential building in Monaco has left three people injured, prompting a police investigation to locate the perpetrator. Reports indicate a Ukrainian oligarch is among those wounded, though their identity has not been officially released. The cause of the blast remains unknown, and authorities are treating the incident as a criminal matter. Emergency services responded to the scene and provided medical attention to the injured individuals. The explosion occurred in a densely populated area of the principality, raising concerns about public safety. Police have launched a manhunt and are appealing for any information that may lead to the suspect’s arrest. The investigation is ongoing, with authorities working to determine the motive behind the explosion.