Alexis Sanchez scored twice after creating the opener on Sunday as Arsenal eased to a 3-0 victory over Stoke and moved up to fifth in the Premier League.

Sanchez's cross was headed in by Laurent Koscielny inside six minutes, and the Chile forward was on target in the 33rd minute after completing a one-two with Tomas Rosicky.

A free kick from Sanchez four minutes into the second half went through the wall and the ball was pushed onto the post by goalkeeper Asmir Begovic before going into the net.

At the Emirates Stadium some fans brought signs emblazoned with "Je suis Charlie" (I am Charlie), the phrase adopted as a tribute to Wednesday's deadly attack on French satirical magazine Charlie Hebdo, which started three days of terror around Paris.

Southampton ended Manchester United's 10-match unbeaten run on Sunday with a 1-0 victory that dislodged Louis van Gaal's side from third place in the Premier League.

Dusan Tadic clinched Southampton's first win at Old Trafford in 27 years in the 69th minute to strengthen the south-coast team's chances of qualifying for the Champions League for the first time.

Five minutes after coming off the bench, Tadic set up Graziano Pelle for a shot that hit the post. Tadic was alert to send the rebound into the net with the game's only shot on target.

The Serbia midfielder did earn a booking for his celebration, taking off his shirt and flexing his muscles in front of the cameras.

Southampton is now two points ahead of fourth-place United.