In a game which both teams desperately needed to win, Manchester City collapsed, leaving the door open for a stunning PSG comeback.
Gianluigi Donnarumma saved from Kevin De Bruyne at the other end but it was a rare foray forward for City, who were largely playing on the back foot and they were indebted to defender Josko Gvardiol for keeping the scores level after 26 minutes.
Germain's hopes of qualification for the next round of the UEFA Champions League may hinge on next Wednesday's match against Manchester City.
Despite it being unthinkable just months ago, Man City could very well be out of the Champions League come next week
Manchester City once again coughed up a Champions League lead, losing 4-2 from 2-0 up against a rampant Paris Saint-Germain.
Follow live as struggling Paris Saint-Germain and Manchester City meet in a Champions League showdown in France
Bradley Barcola’s brilliance combined with Gianluigi Donnarumma’s decisive saves have helped Paris Saint-Germain win at Lens 2-1 in Ligue 1.
Paris Saint-Germain came from two goals down to defeat Manchester City 4-2 in the Champions League, leaving City in peril of elimination.
Bradley Barcola scored a late winner as Paris Saint-Germain came from behind to beat Lens 2-1. The forward's 11th league goal of the season sent the Ligue 1 leaders 10 points clear at the summit, after Fabian Ruiz cancelled out M'Bala Nzola's first-half effort at Stade Bollaert-Delelis.
Manchester City’s Champions League play-off hopes will rest on the final matchday of the league phase after they once again threw away a two-goal lead to fall to a deserved defeat to Paris
Paris Saint-Germain and Manchester City met in the UEFA Champions League at Parc des Princes on Wednesday in perhaps the most critical league phase game so far this season. The Ligue 1 titleholders and their English Premier League counterparts are both facing potential elimination from the tournament after poor runs of form this European season.
Paris Saint-Germain achieved a great feat coming back from two goals down to earn an absolutely vital victory over Manchester City in the penultimate round of the Champions League group stage at the Parc des Princes.