Arsenal 1-3 Brighton: Gunners crash OUT of the Carabao Cup as Seagulls come from behind thanks to goals from Danny Welbeck, Kaoru Mitoma and Tariq Lamptey after Eddie Nketiah's opener<br />Arsenal manager Mikel Arteta speaks following his side's 3-1 loss to Brighton in the Carabao Cup, 'we didn't do what we have to do'.
