Lucas Perez scores the hat-trick goal for Arsenal

Unbelievable – Lucas Perez has netted his hat-trick! Gibbs fired the ball into Sanchez, who inadvertently directed it into the path of the onrushing Perez and he made no mistake in striking the ball into the far corner. That should be game over.

We now wait to see how long Wenger will leave the likes of Sanchez, Ozil and Koscielny on the pitch. They are likely to be the three names who will be substituted at some stage should the scoreline remain like this over the next 10 minutes

Lucas Perez Martinez (Arsenal) receives a delightful pass inside the box and smashes a low shot into the bottom left corner. What a clinical finish!