Brighton collect all three points for Amex on Saturday and end Arsenal unbeaten start. Pascal Gross score for 31 minutes, Charalampos Kostoulas make am 2-0 before half-time, and Chema Andrés head in Gross corner after the break.
Arsenal come in on seven straight wins, but dem no find rhythm at all. Havertz waste the best chance dem get, and Brighton fit add more goals.
The result put Brighton third on 10 points, two behind Arsenal. Arteta men go use the international break to reset before dem host Leeds on October 10.