Arsenal continued with their impressive Europa League form after sticking four unanswered goals against Belgian side Standard Liege at the Emirates on Thursday night.
The Gunners enjoyed the best night across Europe in the competition, their second comprehensive win in the competition.
It was a different story for their English counterparts Manchester United, who had a disappointing night away to AZ Alkmaar in an early kickoff.
The Red Devils failed to register a single shot on target in the match, as they surrendered their top spot to Partizan Belgrade, who beat Astana.
In Norway, PSV Eindhoven took full control of Grop D, after an impressive 4-1 win over Rosenborg.
The Dutch side scored three first-half goals to make it two wins out of two, having beaten Sporting Lisbon in their first match.
AS Roma's shaky form both in Serie A and the cup competitions continued once more, this time drawing 1-1 with Wolfsberg.
Here are the days' results;