An intentional explosion in a Monaco residential building on Monday evening injured Ukrainian businessman Wadym Jermolajew and two others, including a 13-year-old, after a suspect left a package containing screws and shrapnel in an entrance hall. State Minister Christophe Mirmand confirmed that two adults sustained life-threatening injuries during the incident, which occurred near the French border.
What happened during the Monaco explosion?
The explosion occurred around 9:00 PM in a residential building located along a street bordering France. According to State Prosecutor Stéphane Thibault, a suspect placed a bag or a package in the building’s entrance hall prior to the blast. The device contained screws and shot, intended to act as shrapnel upon detonation.
State Minister Christophe Mirmand told the French broadcaster BFMTV that the incident was an “intentional explosion.” This marks a significant shift from initial reports that described the event as a “probable attack.” While Mirmand initially used cautious language, the discovery of shrapnel within the device led to the confirmation of intent.

The victims include Wadym Jermolajew and another adult. Both sustained life-threatening injuries, according to Mirmand. A 13-year-old was also injured, and four other individuals reported suffering from shock. The regional newspaper Monaco-Matin reported that the two adults involved in the blast were a man and a woman between 50 and 60 years old, likely part of the same family as the teenager.
How will this affect cross-border security in the region?
The suspect in the Monaco attack reportedly fled on foot toward the French town of Beausoleil. Surveillance footage captured by security cameras shows a man wearing a dark hat running from the scene. This tactic—committing a crime in a high-security zone and immediately crossing into a neighboring jurisdiction—presents a significant challenge for law enforcement.

The incident has already drawn reactions from regional leaders. Eric Ciotti, the Mayor of Nice, described the event as a “tragedy” on the social media platform X. He expressed support for the emergency services and the people of Monaco, emphasizing the need for coordinated regional responses.
Future security trends will likely include:
- Enhanced Intelligence Sharing: Increased real-time data exchange between Monaco’s police and French authorities in towns like Beausoleil and Nice.
- Automated Surveillance Integration: More aggressive use of AI-driven CCTV to track suspects moving across borders in real-time.
- Residential Access Control: Stricter regulations regarding the delivery of packages and unauthorized visitors in high-end residential buildings.
Frequently Asked Questions
Who was injured in the Monaco explosion?
Wadym Jermolajew, another adult, and a 13-year-old were injured. Two adults are in life-threatening condition.
What was inside the explosive device?
According to State Minister Christophe Mirmand, the device contained screws and shot to act as shrapnel.
Where did the suspect go?
The suspect is believed to have fled on foot toward the French city of Beausoleil.
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