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.

Bottles containing a cocktail of nitrogen and other chemical substances were thrown at the Russian consulate in the port city of Marseille on Monday. No one was injured.

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.

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

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

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.

Russia has said that its consulate in Marseille has been hit by an explosion ‘with all the hallmarks of a terror attack’. Russia's consul general in the southern French city Stanislav Oranskiy said on Monday there had been a blast inside the consulate,

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