Mikel Arteta fumes at Arsenal stars after 3-0 thumping by Brighton: Gunners boss warns defeat was a 'big lesson' as Bruno Guimaraes reveals angry response in dressing room after 'unacceptable' display

An upset Mikel Arteta branded Brighton's pummelling of Arsenal as a 'big lesson' which had left him 'extremely disappointed' with his players on a shock afternoon for the reigning Premier League champions.

Goals from Pascal Gross and Charalampos Koustoulas put the Seagulls ahead by half-time, before Chema Andres' header added the gloss on an emphatic display.

The Gunners had been dominated from the start, leaving Arteta furious over his team's performance. It ends their seven-game unbeaten run across all competitions, and is Arsenal's first league defeat since last April against Manchester City.

Arteta said: 'Extremely disappointed, but first of all, I think we have to congratulate Brighton for the victory. I think they deserve it, they were the better team.

'Brighton were another gear up from us. We were extremely poor technically and not respecting the game.

'And from our side there were certain basics that you need to accomplish in football, especially in the Premier League, that we were very far from.