Havertz on target again as Arsenal beat PSG 2-0, Dortmund hammer Celtic 7-1 

Arsenal’s Kai Havertz maintained his impressive start to the season with the opening goal in a 2-0 home victory against Paris St Germain which kick-started the London club’s Champions League campaign while Dortmund hit seven past Celtic with Dortmund’s Adeyemi netting a first half hatrick.

After drawing away to Italian side Atalanta in their opening game the onus was on Mikel Arteta’s side to deliver a home win against last year’s semi-finalists and they delivered.

German forward...