William Saliba sent off as Arsenal suffer first Premier League defeat of season

William Saliba’s first-half red card set Arsenal on their way to a 2-0 defeat against Bournemouth at the Vitality Stadium as Mikel Arteta’s side missed the chance to go top of the Premier League.

The defender was dismissed for hauling down striker Evanilson near the halfway line, denying him a clear run on goal as for the third time this season the visitors finished a league game with 10 men.

Andoni Iraola’s side saw a chance to inflict Arsenal’s first loss of the season and took it most clinically...