Roy Keane says there's plenty of work for Arsenal to do after defeat against Borussia Dortmund in the Champions League.
Robert Lewandowski receives a yellow card for elbowing Laurent Koscielny.
Olivier Giroud gets Arsenal level after a mix-up in the Dortmund penalty area
A defensive error from Aaron Ramsey costs Arsenal as Henrikh Mkhitaryan capitalises to give the Dortmund the lead.
Dortmund manager Jurgen Klopp tells us it's been a joy to analyse Arsenal's performances in recent weeks, but suggests teams have been guilty of showing the Gunners too much respect.