Ben Chilwell scored for the Blues on the stroke of half-time.
Leicester ended Manchester United's record 29-game unbeaten run away from home as they came from behind to win 4-2 at the King Power Stadium.
There were
also wins for Manchester City, Wolves and Liverpool.
In the
Championship a brace from Aleksandar Mitrovic led Fulham to a 4-1 win over
London rivals QPR at Craven Cottage.
In League
One AFC Wimbledon came back from 2 goals down to draw 2-all with Sheffield Wednesday
at Plough Lane.
Hampton
& Richmond Borough are out of the FA Cup going down 2-nil at Ebbsfleet in
their qualification match.
Corinthian Casuals drew 1-all with St Albans in Tolworth.