Neal Maupay’s 94th minute strike helped Brighton snatch all three points against Arsenal at the Amex.
The forward endured the wrath of the Arsenal players after clashing with Bernd Leno in the first-half.
The German was stretched off but the forward lopped the ball over his replacement Emiliano Martínez deep into injury time.
Arsenal had taken the lead thanks to Nicolas Pepe’s excellent curling effort but the Seagulls were level shortly after thanks to Lewis Dunk.
Maupay’s late winner gives Brighton a huge boost in their fight for survival while all but ending the Gunners’ slim hopes of qualifying for the Champions League.
Arsenal’s player of the season, twisted his knee in horrific style after being needlessly shoved by Brighton striker Neal Maupay as he came to claim a loose ball on the edge of the box
Brighton will now head to Leicester on Tuesday night while Arsenal play Southampton head to St.Mary’s.