Chelsea have a three-point lead at the top of the Women's Super League following a 3-nil victory at Everton.
Alessia Russo helped Arsenal come from 2-nil down to win 6-2 at Leicester and be the champions' nearest challengers.
Manchester United remain unbeaten after thrashing West Ham 5-nil, while Manchester City lost 1-nil at home to Brighton.
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Tottenham against Liverpool ended 1-all, while Aston Villa have their first league win of the season - 2-nil at newly-promoted Bristol City.
