Ivory Coast international Kalou opened the scoring for the hosts after 24 minutes before adding his second seven minutes later.

Frank Lampard made it 3-0 from the penalty spot on the stroke of the interval before Kalou capped a fine personal display with his third midway through the second half.

Lampard made it five with nine minutes remaining before Daniel Sturridge and Florent Malouda completed the rout late on.

The win restores Chelsea's one-point lead over Manchester United at the summit with just two game left to play.

Burnley's relegation from the top flight was confirmed with a 4-0 mauling at the hands of Liverpool at Turf Moor.

Two goals from captain Steven Gerrard, a first Liverpool strike for Maxi Rodriguez and a late effort from Ryan Babel comprehensively saw off Burnley and kept alive the Reds' distant hopes of a fourth-placed finish.

With two matches to play the Clarets cannot now catch 17th-placed West Ham.

James Milner scored a late penalty to keep Aston Villa in the hunt for a Champions League spot with a 1-0 derby win over Birmingham in the lunchtime kick-off at Villa Park.

The England midfielder converted from the spot in the 83rd minute after Blues defender Roger Johnson had been adjudged to have brought down Villa striker Gabriel Agbonlahor.

Villa are now level on points with fourth-placed Tottenham although they have played a game more and have an inferior goal difference.

A last-gasp penalty from Mikel Arteta secured a 2-1 win that kept Everton's slim hopes of Europa League football on the boil against a second-string Fulham side.

Erik Nevland gave Fulham a 36th-minute lead, but Victor Anichebe hauled Everton level five minutes after his arrival as a half-time substitute before Arteta stroked home the winner late on.