Flights to and from Marseille have been suspended and traffic at the city’s main train station was disrupted due to a wildfire near the southern French port city.

A wildfire that had reached the northwestern outskirts of France's second city of Marseille lost intensity overnight on Wednesday, but the airport was closed as firefighters continued to battle the flames.

French firefighters are continuing to battle a wildfire that reached the outer edge of Marseille and has left more than 100 people injured. The city's mayor Benoit Payan told local media on Wednesday morning that the blaze was "decreasing" but was still not completely under control.