Despite a two-metre high security wall surrounding the Stade de France and triple security checks, supporters smuggled flares into the venue.
"The security fell short on a number of points which we will address. The checks were not carried out as they needed to be," said a local politician.
Laurent Blanc says PSG will revamp their squad despite a domestic treble to ensure they can challenge for the Champions League.
PSG's Blaise Matuidi is happy Zlatan scored in the Coupe de France final, his last game for the club
Zlatan Ibrahimovic signed off his record-breaking spell at PSG with two goals and an assist in the 4-2 Coupe de France victory over Marseille.
Zlatan Ibrahimovic's PSG farewell was a memorable one as he bagged a brace in a Coupe de France triumph, earning a 9/10 in Jon Johnson's ratings.