Explosion outside Monaco residence critically injures Ukrainian oligarch and partner

A powerful explosion outside a residential building in Monaco on Monday evening has critically injured three people, including a prominent Ukrainian oligarch, in what authorities now describe as a deliberate attack. The blast, which occurred around 9 p.m. local time near the French border, marks the first such incident in the principality’s history, according to Monaco’s Minister of State Christophe Mirmand.
The explosion was caused by a booby-trapped backpack left at the entrance of the building, French and Monegasque officials said. A suspect was filmed placing the bag before fleeing on foot toward France, triggering a cross-border manhunt. Two of the victims—a Ukrainian oligarch and his partner—remain in life-threatening condition, while a 13-year-old child suffered less severe injuries, multiple European outlets reported .
The oligarch has been identified as Vadym Yermolaiev, a Ukrainian businessman sanctioned by Kyiv, according to French newspaper *Le Monde* and other sources . Authorities have not confirmed a motive but are investigating whether the attack was politically motivated, given the victim’s profile and the unprecedented nature of the incident in Monaco.
Monaco’s government initially called the explosion a “very likely attack,” with Mirmand telling AFP it was “the first time such an act has occurred in the principality” . French and Monegasque police are coordinating the search for the suspect, who is believed to have crossed into France. Surveillance footage captured the man leaving the backpack before the detonation, which shattered windows and damaged the building’s facade.
The explosion has sent shockwaves through the tiny Mediterranean state, where violent crime is rare. Monaco’s proximity to France and its status as a haven for wealthy elites—including Ukrainian oligarchs—have raised questions about security vulnerabilities. The attack follows heightened tensions in Europe over sanctions against Russian-linked figures, though no group has claimed responsibility.
Investigators are examining whether the backpack contained a homemade explosive device, as described by officials. The case has drawn international attention, with European media outlets describing it as an “unprecedented” act in Monaco’s modern history . The manhunt continues as authorities urge anyone with information to come forward.
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