Two people have been arrested in relation to the arson attack on the Russian consulate in Marseille on Monday, said the Marseille prosecutor.

Two French scientists admitted to carrying out an attack on the Russian consulate in Marseille using improvised explosive devices, the local newspaper La Provence reported early Wednesday, citing unnamed sources.

French authorities say an incendiary device has exploded outside the Russian Consulate in Marseille on the third anniversary of Russia’s invasion of Ukraine.

Two French nationals who threw explosive devices at the Russian consulate in Marseille are employed by the National Centre for Scientific Research (CNRS), the public prosecutor’s office told AFP late Tuesday.

Two French citizens who attacked the Russian Consulate in Moscow on February 24 Marseille, turned out to be researchers at the National Center for Scientific Research of France (CNRS). This is reported by the newspaper La Provence and the BFMTV channel.

Three projectiles were thrown over the perimeter wall of Russia's consulate in the southern French port city of Marseille on Monday, two of which exploded, police said.

Two suspects were arrested on Tuesday on suspicion of throwing explosives at the Russian consulate in Marseille, local prosecutors said. Russia said the "incident had the hallmarks of a terrorist attack".

Three explosive devices were thrown against the wall of the Russian consulate in the French city of Marseille with two exploding, police said on Monday. Nobody was injured in the incident, which occurred on the third anniversary of the start of Russia's full-scale invasion of Ukraine.

Two French nationals who work at France's CNRS research institute have admitted responsibility for Monday's arson attack at the Russian consulate in Marseille, the Marseille prosecutor said on Wednesday.

Two men have been arrested after throwing incendiary devices at the wall of the Russian consulate in Marseille on Monday. The pair were taken into police custody on charges of damage to property by means of incendiary or explosive devices,