A French campaign group is urging the country's authorities to take action against homophobic and racist chanting by Paris Saint-Germain fans after the match against Marseille was marred by discriminatory singing.

Paris Saint-Germain remain on course for a historic unbeaten season in Ligue 1 after a 3-1 win over bitter rivals Olympique de Marseille in Le Classique on Sunday opened up a 19-point lead with 26 games played in France's top flight.

Paris St Germain took another big step towards the Ligue 1 crown with a 3-1 home win over second-placed Olympique de Marseille on Sunday to extend their lead at the top to 19 points.

The French Ligue 1 clash between relegation battlers Montpellier and Saint-Etienne on Sunday was abandoned in the second half after flares were thrown by supporters, briefly causing a fire to break out in the stands.

The Ligue 1 match between relegation rivals Montpellier and Saint-Etienne is abandoned after home fans threw flares on to the pitch and part of a stand caught on fire.