Listen to live radio commentary and watch clips in this page
FT: Everton 3-0 Sheffield Wednesday - Calvert-Lewin slides home
Richarlison heads second and Mina nods home third
FT: Man Utd 3-2 Liverpool - Fernandes scores winner in thriller
FT: Fulham 0-3 Burnley & Leicester beat Brentford
FT: Chelsea 3-1 Luton - Abraham with hat-trick
Chelsea 2-1 Luton
The Blues look to restore their two-goal cushion but Christian Pulisic curls his effort from range over the bar.
They're showing the Luton goal again on BBC One. That Kepa attempted save doesn't get any better. Poor body shape and biscuit wrists.
Chelsea 2-1 Luton
The game has changed a bit since this, but here is Chelsea's first goal from Tammy Abraham...
Chelsea 2-1 Luton
Karen Carney
Former England and Chelsea winger on BBC One
They have changed shape and become braver in possession. It's good build up, he does well on the half volley but Kepa has to do better - a keeper of his standards should be saving that. Credit to Nathan Jones for changing the shape.
Jordan Clark
Now then.
Let's be honest here, Kepa is partly at fault for this. Not the first time that has been said.
But fair play to Luton. They've hardly been in this game but now they must certainly are.
It is a well worked goal too. The ball is worked out right and crossed in by James Bree for Jordan Clark to hit a first-time shot that eludes the grasp of the Chelsea keeper and finds the net.
Game on.
Chelsea 2-0 Luton
Should be 3-0. A Werner dummy gives Pulisic a clear sight of goal but Sluga is equal to it, saving with his boot. The shot was straight at him, though.
Chelsea 2-0 Luton
Karen Carney
Former England and Chelsea winger on BBC One
Luton have gone to a back four as it wasn't working. They've got to stay in it, get some set plays and use the pace of Harry Cornick up top.
Chelsea 2-0 Luton
Luton just can't get a kick here.
Chelsea 2-0 Luton
Zouma has a bit of a limp but I think he's gonna be OK to carry on. Run it off lad.
Chelsea 2-0 Luton
Is Kurt Zouma in bother here? He is down and in need of treatment after a coming together with a Luton player.
Chelsea 2-0 Luton
Chelsea are gonna get a bag full here. Pulisic drives over a low cross that a diving Luton player has to put behind.
The corner comes to nothing, but the home side quickly recover possession and start again.
Chelsea 2-0 Luton
Karen Carney
Former England and Chelsea winger on BBC One
It is a really good goal, they are really starting to find their rhythm. All to feet, pop, pop, pop and get the get cross in. Tammy Abraham was alert to get in and dink it over Simon Sluga.
Image source, ReutersChelsea 2-0 Luton
Luton try to fashion something down the right through James Bree and he wins his side their first corner.
It is taken short and then swung in for Harry Cornick to meet but head powerfully over the bar.
Tammy Abraham
Make that 10 goals for the season.
Chelsea have completely dominated the opening stages and they give themselves an iron grip on the game as Reece James' chipped cross is nodded in over Sluga by Abraham.
This could get messy.
#bbcfootball or text to 81111 (UK only)
By letter of the law, two balls on the pitch , that goal shouldn't stand . VAR should've been used for it . Another big team get another decision
Steve in Fife
Chelsea 1-0 Luton
Chelsea come forward again. The ball is swung into the box and nodded down by Christian Pulisic, but a Luton player is there first to hammer away.
Chelsea 1-0 Luton
Karen Carney
Former England and Chelsea winger on BBC One
I liked this from Tammy Abraham, he just peeled off, no one picked him up. A tidy finish, no need to lash it, and it's a really good start from Chelsea.
Chelsea 1-0 Luton
Luton weren't happy that there were two balls on the pitch at the start of the move that ended in the goal. The referee clearly doesn't think it hampered either side, though. Might have been a distraction, but it was in the other half of the pitch and you can't switch off.
Tammy Abraham
Chelsea step it up a gear and Luton can't cope.
A quick throw releases Werner behind the visitors' defence and the German's pull back is perfect for Tammy Abraham to side-foot in his ninth goal of the season. Fine finish.
That'll settle any home nerves.
Chelsea 0-0 Luton
Kurt Zouma is the big threat from corners. He rises to meet the first one of the match but nods over.
Chelsea 0-0 Luton
Sluga is again swiftly off his line to deny Abraham. The Chelsea striker gets a touch on the edge of the box but the keeper comes out on top with a firm sliding tackle. It was a quality threaded ball through the defence to release Abraham by Hatem Ziyech.
Shortly after, Mason Mount sees an effort deflected over by Sonny Bradley.