AC Milan are in a difficult group that includes Borussia Dortmund and Newcastle United.

PSG were eager to bounce back from their 4-1 defeat away to Newcastle United three weeks ago and they ultimately had too much attacking quality for their Italian visitors at the Parc des Princes.

Haaland arrived in rain-lashed Bern without a goal in his previous five Champions League matches.

Alvarez curled his shot from the edge of the box into the top corner in the 84th minute and then set up Doku in stoppage time for their third goal as City, who had lost to Newcastle United in the EFL Cup before their league loss to Wolverhampton Wanderers on Saturday, moved up to six points from two games in top spot

The result left PSG with three points from two games in the Champions League Group F, and with questions to answer about their character and lack of a 'Plan B'.

Polish international Lewandowski, 35, was on the receiving end of a crunching tackle from Porto's David Carmo in the first half of Barca's 1-0 win on Wednesday.

Ferran Torres's strike earned Barcelona a tense 1-0 win at Porto in the Champions League on Wednesday, which coach Xavi Hernandez said "got rid of ghosts" the club had from previous years.

A rampant Newcastle United put in a stellar showing to secure a superb 4-1 victory over French champions Paris St Germain in their first Champions League home match in 20 years on Wednesday.

Manchester United manager Erik ten Hag believes the Red Devils will work their way out of an early season crisis after facing questions over whether he fears losing his job.

The Serie A leaders, runners-up in the Champions League last season, are second in the group standings, behind Real Sociedad.

Bayern lacked fluidity and struggled against an impressive Copenhagen side, who grabbed the lead early in the second half thanks to Lukas Lerager's opener

United have lost their opening two games of a Champions League group for the first time as new goalkeeper Andre Onana had another night to forget in Europe.

The 20-year-old, who joined from Montpellier during the close season, fed Adrien Thomasson for the first-half equaliser after Gabriel Jesus's opener, before netting the winner in the 69th minute to send the Bollaert-Delelis stadium wild.

Real scored the winner in the 78th minute as a stunning long-range shot from Federico Valverde cannoned off the crossbar straight onto the back of the flailing Meret's head before deflecting into his own goal.

Arsenal, making their first appearance in Europe's elite club competition in six years, were 3-0 up at halftime thanks to goals from Bukayo Saka, Leandro Trossard and Gabriel Jesus.

Manchester United goalkeeper Andre Onana took responsibility for his side's 4-3 Champions League defeat by Bayern Munich on Wednesday after his error for the opening goal handed the German giants the initiative.

Jude Bellingham scored deep in added time as Real Madrid wore down a resilient Union Berlin to claim a 1-0 win at the Santiago Bernabeu in their Group C opener on Wednesday, spoiling the Bundesliga side's Champions League debut.

Manchester United coach Erik ten Hag on Tuesday backed his side to come through their early-season struggles ahead of Wednesday's Champions League tie with Bayern Munich.

Newcastle held AC Milan to a goalless draw in Tuesday's opening match of their first Champions League campaign in two decades.

Mikel Arteta has told his Arsenal players to make "beautiful memories" on their return to the Champions League after a six-year absence.