The fourth official indicates a minimum of five additional minutes are to be played.
Close! Liverpool are now camped on the edge of United's box... Oxlade Chamberlain's low shot flashes just wide of the post.
Martial gets his first real involvement and finds James on the left, who wins a corner for Man Utd. The delivery comes to nothing though.
Sub: Brandon Williams replaces Andreas Pereira for Man Utd. That's a Premier League debut for the 19-year-old.
Lallana delivers a cross for Liverpool and it hits Fred on the chest. The away side want a penalty but VAR checks the incident and saw 'no penalty'.
Full-time: Manchester United 1-1 Liverpool. Rashford 37th-minute goal was cancelled out by Lallana's 85th-minute equaliser. In truth, United looked comfortable and will be very disappointed not to take the full haul of points from a poor game.
Liverpool are chasing a winner here and United are camped inside their own half.
Liverpool are mounting the pressure on Man Utd now and when it falls to Alexander-Arnold outside the box, he tries an ambitious volley which goes just over De Gea's crossbar.
GOAL FOR LIVERPOOL! Robertson delivers a cross from the left, United's defence misses the ball and Adam Lallana turns home the cross from close range at the back post. Man Utd 1-1 Liverpool.
Sub: Anthony Martial replaces Marcus Rashford for Man Utd.
Daniel James breezes past Matip on the left for United but his cross goes just ahead of Rashford in the box.
Close! Fred tries a shot for United and it flashes just wide of the post. That's a good effort.
Sub: Georginio Wijnaldum is replaced by Naby Keita for Liverpool.
Oxlade-Chamberlain looks for an inswinging cross from the left but it misses Firmino and runs out for a goal kick. Klopp is not looking happy with that delivery.
Lallana is fouled and when Alexander-Arnold delivers the freekick for The Reds, Firmino gets his head on the end of it but gets very little power behind his effort. De Gea saves easily.
Liverpool's Fabinho looks for a ball over the top onto Mane's run, but De Gea reads the danger well and claims the ball.
Another deep cross for Liverpool from Alexander-Arnold goes over all of his teammates and straight out for a goalkick.
Foul: Rojo brings down Fabinho from behind and is very fortunate not to be cautioned.
United have a shot after another counter as Fred drives an attempt wide. Rashford and Andreas were very prominent in that attack.
Sub: Adam Lallana replaces Jordan Henderson for Liverpool.
Yellow: United break again after Mane gives the ball away and Fabinho has to hack down Daniel James to stop the counter. He gets a yellow card for his challenge.
Jurgen Klopp looks very unhappy on the touchline and is readying more substitutes to try to give some energy to his side.
Close! United break at speed, Andreas plays a good switch of play to Rashford and he cuts inside and fires a shot just past the post. That's a warning for Liverpool that the home side carry a threat on the break.
Oxlade-Chamberlain drives a shot at goal for Liverpool but it goes well wide of the target.
Liverpool are now having a long spell of possession but seem to have few ideas on how to break Man Utd down. Crosses are being easily cleared as the home side allow Liverpool to go wide.
Sub: Origi's afternoon is over and Alex Oxlade-Chamberlain comes on to take his place for Liverpool.
Daniel James is down receiving treatment for Man Utd after getting caught again. He looks a little winded.
Alexander-Arnold delivers a deep cross for Liverpool but Maguire and then Wan-Bissaka defend well to clear any danger. The home side are looking strong defensively here.
Liverpool are struggling to get a footing in this game and United continue to look dangerous through the pace of James and Rashford up front.
Van Dijk makes a strong tackle on Daniel James and leaves the United winger down after a collision.
Alexander-Arnold looks long for Mane's run but the Senegalese winger catches Maguire with his studs and the referee gives a foul to the home side.
Henderson does well to get past Rojo on the right for Liverpool but he overhits his cross and the move ends up coming to nothing.
The second half is underway at Old Trafford.
The fourth official indicates a minimum of one minute of additional time to be played.
Man Utd win a corner, Ashley Young delivers, but Matip heads clear. That will be half-time.
Half-time: Man Utd 1-0 Liverpool. Rashford's 37th-minute goal separates the sides.
GOAL RULED OUT! Liverpool are denied by VAR. Mane gets behind Lindelof and finishes past De Gea, but the ball hit the attacker's hand and the goal is correctly ruled out.
Wijnaldum is caught on the ball for Liverpool but the Dutchman does well to win the ball back with a strong recovery run.
Man Utd are doing well now to slow the game down as half-time approaches.
VAR spent a long time checking that goal for a possible foul by Lindelof on Origi in the build-up but replays show minimal contact so the referee's decision is upheld.
GOAL FOR MAN UTD! McTominay releases Daniel James up the right flank and he crosses for Rashford to finish at the back post. That's an excellent counter-attack. Man Utd 1-0 Liverpool.
Half-chance! Mane gets away for Liverpool up the right flank and he does well to find Firmino on the edge of the box, but the forward's shot is fairly tame and De Gea saves with no trouble.
Henderson catches Ashley Young in the face with a stray hand but the referee deems that no yellow card is called-for. Replays show that's a good decision by the referee, Martin Atkinson.
Alexander-Arnold puts in a cross from the right for Liverpool and Firmino gets in-front of Maguire but he can't divert his attempt towards goal.
Wan-Bissaka gets forward well and delivers two crosses for United but Van Dijk does well to clear the second delivery after the first one was blocked.
Good play! United's Marcus Rashford shows good skill and a burst of pace to go past Matip on the left but his cut-back is disappointing with his left foot.
McTominay receives in midfield and drives towards goal for Man Utd, before he takes a low shot which is comfortably saved by Alisson in the Liverpool goal.
Liverpool have had 57% of the possession in the game so far compared to 43% for the home side.
Young delivers into the box for Man Utd and Matip gets up well to head the danger clear for Liverpool.
Rashford gets away up the right and knocks Van Dijk over before finding Andreas, who gets a shot away. Matip blocks the attempt and United win a corner. Can they make it count?
United break at speed through Rashford but Matip reads his pass to Daniel James well and cuts out the danger. That's more good defending by the Cameroonian.
Origi delivers a cross into the box for from the left for Liverpool but it's over Mane's head and Young does well to remain calm and clear the ball to safety.
Rashford tries to lead an attack on the right for United but Robertson makes a good tackle to half his progress.
Wan-Bissaka again gets forward well for United and finds the run of Andreas, who plays a backheeled pass into the box to no one. A good idea, but there was no teammate reading his intentions there.
Origi receives on the left for Liverpool and gets a low cross into the box but Lindelof blocks the delivery, and De Gea claims the high ball and does well to avoid a corner.
Liverpool show some good play as Robertson finds Wijnaldum, who beats McTominay and gets a shot away from the edge of the box but it's straight at David De Gea.
Wasteful - United have a good attack as James finds Andreas but the latter chooses to shoot weakly when he had better-placed teammates.
Liverpool have their first shot as Sadio Mane flicks a ball onto Firmino but the Brazilian hits a wild attempt with his weaker left foot into the stands.
More nice play from the home side sees Wan-Bissaka pick out a run by Andreas and he tries to find Rashford but Alexander-Arnold clears well. It's been a decent start for Man Utd.
Close! Andreas puts in a lovely cross from a freekick for Man Utd and Robertson has to make a sliding clearance in the box. That's very good defending.
Wan-Bissaka delivers a cross for Liverpool towards Rashford, but Joel Matip makes a good clearance inside the box.
With Liverpool missing Mohamed Salah through injury, it means Divock Origi is playing on the wing for Jurgen Klopp's side.
United have a good period of pressure with Young and Rojo delivering crosses by the latter's delivery is disappointing and does not threaten Liverpool.
Ole Gunnar Solskjær has set his Man Utd side up in a 3-5-2 formation for this game with Daniel James supporting Marcus Rashford in attack.
This game has got off to frantic start with both sides looking to play at a high tempo to unsettle their opponents.
We are underway at Old Trafford.
The big late news is that Axel Tuanzebe was injured in the warmup, so Marcos Rojo is starting with Phil Jones now on the bench.
Hello and welcome to today's live coverage of the Premier League match between Manchester United and Liverpool. Kickoff from Old Trafford is at 4.30pm UK time.
Manchester United starting XI: De Gea; Wan-Bissaka, Lindelof, Tuanzebe, Maguire, Young; Andreas, McTominay, Fred; James, Rashford.
Manchester United subs: Romero (GK), Rojo, Williams, Garner, Mata, Greenwood, Martial.
Liverpool starting XI: Alisson; Alexander-Arnold, Matip, Van Dijk, Robertson; Fabinho, Henderson, Wijnaldum; Mane, Origi, Firmino.
Liverpool subs: Adrian (GK), Lovren, Milner, Keita, Gomez, Oxlade-Chamberlain, Lallana.
Only Man City, with seven, and Chelsea, with six, have won more Premier League away matches at Man Utd than Liverpool's five.
Man Utd are unbeaten in their last five home league meetings with Liverpool, of which they have won three. It is their longest run without defeat against the Reds at Old Trafford since a sequence of 10 between February 1991 and March 2000.
A third of Marcus Rashford's 30 Premier League goals have been against sides who finished in last season's top six.
Mohamed Salah has failed to score or assist a goal in his four Premier League appearances against Man Utd. They are the only team Salah has faced more than once without registering a single goal involvement.
Follow Sport24 on Twitter
"Like" Sport24's Facebook page
Enter and win with Sport24!
Stay in the loop on your BlackBerry
Sport news delivered really simply.
24.com: Legal notices
Advertise on 24.com
24.com. All rights reserved.