Monaco explosion: Ukrainian oligarch badly injured in possible assassination attempt

In the early evening of Monday, a powerful explosion rocked a prestigious residential building known as Sun’s Palace on Rue du Révérend Père Louis Frolla in Monaco. The blast, which was caused by an improvised explosive device placed inside a package, resulted in severe injuries to Ukrainian businessman Vadim Ermolaev, his partner, and their 13-year-old child. Two adults were in critical condition, while the child sustained less serious injuries. Authorities have classified the incident as a planned assassination, marking the first such occurrence in Monaco's history.

The attack took place near the Place des Moulins area, where emergency services quickly arrived at the scene. Surveillance footage captured a suspect placing a backpack before fleeing towards the French border. Police are actively searching for the individual, who has been identified through video recordings. Prince Albert II condemned the incident as "a repulsive crime," emphasizing the gravity of the situation.

Vadim Ermolaev is the founder and owner of the Alef Group, a conglomerate operating in real estate, alcohol production, construction materials, agribusiness, and other sectors. For many years, he was among the wealthiest Ukrainians, holding significant influence in business circles. In 2019, he obtained Cypriot citizenship and renounced his Ukrainian nationality. Following the outbreak of war, he relocated to Monaco. However, in 2023, Ukraine's National Security and Defense Council under President Volodymyr Zelensky imposed sanctions against him and his company Alef for alleged continued operations in Crimea, which Ermolaev denied.

Ermolaev had long-standing disputes with authorities regarding the takeover of companies and military-related activities, including the supply of construction materials. Some social media commentators speculated about motives linked to internal Ukrainian conflicts, but there is no official evidence linking Kiev's government directly to the incident. The primary reason cited for the sanctions remains the alleged business activities in Crimea.

Ermolaev was known to drive a Bentley with Ukrainian license plates and was recognized as part of Ukraine's wealthy elite along the Riviera. His son, 35-year-old Artur Yermolaev, was detained in December 2025 on an Interpol request from Cyprus for running a network of fraudulent call centers. These centers allegedly defrauded individuals, particularly in the EU, including Estonia, of millions of euros through false investment offers since 2017. Artur was handed over to Estonia, reached a settlement with the prosecution in April 2026, paid a multi-million euro compensation, and received a conditional sentence.

The incident has raised concerns about security in Monaco, a country often associated with luxury and high-profile residents. The police investigation into the bombing is ongoing, with officials working to identify the perpetrator and determine the full extent of the plot. Given the severity of the attack and its classification as an assassination attempt, the case is likely to receive significant attention both domestically and internationally.

As the investigation progresses, authorities will need to consider potential links between Ermolaev's business dealings and the broader geopolitical landscape involving Ukraine and Crimea. The involvement of international law enforcement agencies could play a crucial role in uncovering the truth behind this unprecedented act of violence in Monaco. The outcome of the investigation may also impact future policies on security and the handling of similar incidents in other high-profile locations around the world.