A fast-moving wildfire reached the outskirts of Marseille, France’s second-largest city, on Tuesday, leading its airport to be shut down, with residents told to stay indoors and shut all openings to be safe from the smoke.

Marseille Airport was forced to close for 12 hours after wildfires and smoke encroached the airfield boundary.

Flames licked the outskirts of Marseille on Tuesday, with residents warned to stayed inside, close doors and keep roads clear for emergencies.