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Check out some of the best shots from another packed night of European action, as Barcelona went through, Arsenal edged Borussia Dortmund and Chelsea downed Schalke

Barcelona, Arsenal and Chelsea all secured wins as gameweek four of the Champions League group stages came to an end, but there was plenty of drama in store regardless of the usual winning suspects.

Olympique de Marseille took the lead at Napoli but Mathieu Valbuena et al were left in tears when Rafa Benitez's men fought back to beat the visitors 3-2, scuppering the French side's chances of progress in the competition.

Zenit St Petersburg and Porto kicked off the action with a 1-1 draw, though Hulk missed a penalty for the home side.

Hot & cold | The Zenit forward played well at times but failed to score a vital penalty

Bruce Banner Balotelli | The Milan striker poses ahead of Milan's clash with Barcelona

Messi back on track | He made up for his three games without a goal with a Camp Nou double

Lip-biting Baup | The Marseille coach looks on nervously as his team battled valiantly against Napoli

Piovaccari pearler | He gave Steaua the lead at Basel with a thumping finish

Down in the dumps | Borussia Dortmund went behind thanks to the on-fire Aaron Ramsey

Ozil factor | The German celebrates with Ramsey as Arsenal get revenge on BVB

Arsenal's away win over Dortmund spices things up in Group F, where Marseille's hopes of reaching the knockouts were ended thanks to defeat at the San Paolo.

Atletico Madrid continued their outstanding European run with a 4-0 victory at home to Austria Vienna, securing their spot in the last 16, and leaving the the Austrians, Zenit St Petersburg and Porto to fight for the runner-up place.

Barca qualified from Group H with a 3-1 win over AC Milan, while Ajax ensured Celtic's last 16 hopes took a dent with a 1-0 win in Amsterdam.

Anybody can qualify from Group E still, though Chelsea's 3-0 win over Schalke leaves them on the brink of the last 16, while Steaua Bucharest conceding in stoppage-time at Basel leaves them hanging by a thread.

Foul magnet Neymar | The Barca star won a penalty after being brought down by Abate

Unhappy returns | Ex-Real Madrid star Kaka saw his new team defeated at Camp Nou

Double Eto'o | The Chelsea forward scored twice as Mourinho's men walked over Schalke

Schone a light | Beautiful attacking build-up play was finished in style by the Ajax man

Fall from grace | Chelsea put six goals without reply past Schalke in their two matches

Atletico rampage | Raul Garcia was among the stars at Atletico thumped Austria Vienna

He who flares | Napoli's relentless attacking paid off with a 3-2 victory at the San Paolo