Aston Villa went top of the Premier League for the first time in three years with a closely fought victory over Bolton Wanderers.
The away side had taken the lead in the second minute through Michael Ricketts.
Juan Pablo Angel scored goals either side of a Darius Vassell strike before Ricketts added his second.
Defeat for Bolton left them in ninth on 15 points while Villa were top with 21 points, a point ahead of second-placed Leeds United.
Didier Drogba scored twice as Chelsea thrashed Manchester City to claim their third successive victory in the league.
The hosts dominated throughout and were 2-0 up at the break as Michael Essien and Drogba got on the end of passes from Frank Lampard.
Drogba made it 3-0 when Lampard's shot was saved, before Joe Cole, Salomon Kalou and Andriy Shevchenko netted.
The result moved Chelsea up to fourth with 21 points, one behind opponents Man City who were in third on 22 points.