An explosion has rocked Monaco, injuring three people walking out of a building.
The victims are reportedly a Ukrainian couple and their 13-year-old son.
The two adults are in critical condition in a Monaco hospital.
CCTV allegedly shows a suspect dropping off bags shortly before the blast at around 10pm on Monday.
The explosion destroyed the entrance of the Cuomo Foundation a self-described philanthropic organisation.
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Cops said the victims were Ukrainian, with the suspect spotted fleeing towards the border with the nearby French town of Beausoleil.
It has not been declared a terrorist incident but the Mayor of Nice Eric Ciotti called it an attack.
He wrote on X: ‘The attack carried out this evening is a tragedy that has hit Monaco.
‘Thoughts for the victims, their families, and the people of Monaco.
‘Total support for the security forces and emergency services mobilised.’
‘This is likely an attack,’ Minister of State Christophe Mirmand, said later.
The explosive device likely contained bolts and shot, he added. ‘The police are currently gathering evidence.
‘This is the first time in history, to my knowledge, that such an act has occurred in the Principality, ‘ he added.