Approximately 10,000 people turned out for PSG's title celebrations in Paris yesterday but the event had to be cut short due to clashes between police and fans.
Fans waited more than an hour for the players to arrive but there was no opportunity for them to address to crowd as they were led away by security when the violence erupted.
At least 30 people were injured, including policemen, and 21 arrests were made after the unrest on Place du Trocadero, near the Eiffel Tower.
It took 800 police several hours to bring the situation under control.
Interior Minister Manuel Valls has banned a trophy presentation due outside the City Hall on Wednesday.
PSG released a statement in response the violence.
The party was spoiled by a few hundred troublemakers who have nothing to do with football and even less with those that fill the Parc des Princes on match days with such passion and enthusiasm and in total security.
All the members of the club, the players and the directors, express to all those loyal and passionate fans their heartfelt regret that today's trophy presentation ceremony had to be cut short.
The celebrations will continue this Saturday at the Parc des Princes for the Ligue 1 match against Brest, when the club and its fans will unite in the joy of Paris Saint-Germain's first league title in 19 years.
Paris Saint-Germain is more determined than ever to build a huge European club, worthy of the French capital, and far removed from those intent on trying to destroy that dream.