Pep Guardiola’s Man City arrived in chilly Norway for their seventh and penultimate league-phase match against modest Bodo-Glimt as hot favourites, but they came unstuck in the freezing conditions at the stadium 200km north of the Arctic Circle, losing 3-1.
Meanwhile, PSG have work to do to ensure direct qualification to the last 16 next week after being caught out late in Portugal.
Luis Suarez struck twice for Sporting Lisbon in the second half, sealing victory with a 90th-minute header after substitute Khvicha Kvaratskhelia had equalised for PSG after 79 minutes.
The French club dropped to fifth. They have a home date against Newcastle in their last group-stage fixture.
While the top eight secure direct entry to the last 16, teams ninth to 24th must navigate an additional two-legged playoff.
The league phase comes to a dramatic denouement next week when all 18 matches kick off at the same time.
Real Madrid, under new coach Alvaro Arbeloa, produced a dazzling attacking display in the 6-1 hiding of Monaco to help fans forget recent disappointments.
Kylian Mbappe struck twice against his former side and Vinicius Junior scored a brilliant goal to lift the record 15-time European champions from seventh to second behind unstoppable Arsenal.
Jesus was on cloud nine after two close-range finishes in the first half to help guarantee the Gunners a top-eight finish with a 3-1 win over Inter Milan.
"It’s a dream night," the 28-year-old said.
"I always dreamed of being a footballer. I watched when I was a kid. I watched a lot of Serie A, so to be here in this stadium and score here is tears in my eyes because I always dreamed of being here."
Arsenal’s joy in Italy contrasted with despondency in Norway for Premier League heavyweights Man City.
Kasper Hogh’s first-half brace and a second-half strike from Jens Petter Hauge at Aspmyra Stadion triggered a seismic upset in Norway.
Rayan Cherki replied after Hauge’s goal, but Rodri’s dismissal for two bookings left City in tatters.
Bodo-Glimt’s first group-stage win gave them hope of making the playoffs.
There was some much needed respite for under-fire Tottenham boss Thomas Frank as Spurs beat Borussia Dortmund 2-0 to move into automatic qualification territory for the knockouts.
Copenhagen held Napoli to a 1-1 draw, Olympiacos beat visitors Bayer Leverkusen 2-0, Ajax defeated hosts Villarreal 2-1 and Kairat Almaty were in no danger of registering their first three points of the campaign as the bottom side of the 36-team table were swept aside 4-1 by Club Brugge. — AFP
