It occurred ahead of the Champions League final.
The chief of the Paris police force has apologised after Liverpool and Real Madrid supporters were tear-gassed ahead of the Champions League final.
Didier Lallement's told a parliamentary hearing in France the security operation was a "failure".
French authorities have blamed the delayed kick-off earlier this month on fans trying to enter the stadium with fake tickets.
UEFA's carrying out an independent review of the circumstances.
Meanwhile, Liverpool have confirmed striker Divock Origi will leave the club at the end of the month.
The Belgian scored 41 goals in his 175 appearances since joining in 2015.
Loris Karius, Sheyi Ojo and Ben Woodburn will also depart Anfield this summer.

Gibraltar FA Latest To Pull Its Support For Gianni Infantino
Fulham And Chelsea Face Off In A West London Derby Tonight
Troy Parrott To Make Real Betis Debut Tomorrow
Monday Morning Sports Update
Weekend SFC, IFC, JFC C'hip Results
Athlone Town Reach Fifth Straight FAI Women's CUp Final
All Blacks Strike First In Springboks Rugby Test Series
McIlroy Strides Into Contention At BMW Championship Despite Rocky Second Round