An explosion occurred at a residential building in Monaco, resulting in serious injuries to three people. The incident happened on a Monday night and is considered unusual. Local authorities reported that an attacker was involved and fled to France after the blast.

The victims of the explosion include a Ukrainian magnate and his family, according to French and Ukrainian media. The extent of their injuries is not specified, but they are described as serious. Further details about the incident can be found through local news sources, including KPRC 2 and Click2Houston, which provide updates on the explosion and its aftermath.