Matej Vydra struck less than 10 minutes after coming on to earn Burnley a shock 1-1 draw against Chelsea at Stamford Bridge.
Chelsea started quickly, Callum Hudson-Odoi forcing Nick Pope into a save and Andreas Christensen glancing a close-range header wide in the opening 10 minutes.
Kai Havertz then broke the deadlock 33 minutes in, heading in from Reece James’ pinpoint cross.
The second half started in a similar vein, Thiago Silva hitting a post and Hudson-Odoi being denied by Pope’s outstretched leg.
Chelsea were made to rue their missed chances 11 minutes from time when, after a neat move, substitute Vydra converted Jay Rodriguez’s knockdown.
After their winning run stopped at four matches, Chelsea stay top on 26 points, three more than Manchester City.
Burnley, who are unbeaten in three, stay 18th, now with eight points.
Chelsea: 20 Nov v Leicester (A)
Burnley: 20 Nov v Crystal Palace (H)
Referee: Andre Marriner. Assistants: Simon Long, Scott Ledger. Fourth official: Michael Salisbury. VAR: Mike Dean. Assistant VAR: Eddie Smart.