Premier League leaders Leicester stunned nearest rivals Manchester City with a convincing victory at Etihad Stadium to move five points clear. Aston Villa moved to within eight points of Premier League safety with their third win of the season as Norwich slipped into the bottom three. Thousands of Liverpool fans walked out of Anfield in protest at ticket prices as struggling Sunderland came from 2-0 behind to secure a crucial point. Newcastle produced one of their best displays of the season as they beat West Brom to move out of the Premier League bottom three.