Two people sustained serious burns and 10 others were slightly injured after a suspected Molotov cocktail attack on a restaurant in a Paris suburb.

Ambulance crews rushed to the scene in Aubervilliers, a commune in the Seine-Saint-Denis district, after a bottle bomb was thrown inside a restaurant located at 72 rue Schaeffer.

Rescue crews and police arrived at the scene at around 8:30pm local time after a fire broke out on the premises. Around 50 firefighters were summoned to deal with the blaze, Le Parisien reported.

Un jet de cocktail Molotov provoque un incendie à #Aubervilliers, 4 blesséshttps://t.co/PFAdny88WCpic.twitter.com/boNnYdK8p3 — Sputnik France (@sputnik_fr) June 11, 2017

Two victims suffered serious burns and were transported to St. Louis Hospital, according to a fire brigade spokesman who spoke to Sputnik. Ten other people sustained slight injuries, including 6 police officers who assisted with rescue efforts.

#Aubervillers - 10 blessés légers et 2 graves selon porte parole. pic.twitter.com/GMfCge3zIQ — Clément Lanot (@ClementLanot) June 11, 2017

Firefighters managed to contain the blaze inside the restaurant located in a five-story building. The fire is believed to have destroyed the entire venue.

The motive for the attack is yet unclear, but some reports suggest that it could have been a robbery that went wrong.

France remains under a state of emergency following a series of terrorist acts that have rocked the country in the past two years.