Ajer is booked after a tangle of legs with Lazzari, just stopping the Lazio man from breaking forward.
90' +2
Lazio are now pushing everyone forward in search of another goal, can they find a late equaliser?
90'
There will be a minimum of FIVE minutes added time played.
89'
C. Jullien has scored a goal for Celtic! Assist by R. Christie.
Christie delivered the ball into a good area, but it should've been dealt with by Lazio, they allowed Jullien loads of time and space to pick his spot with the header.
GOOOAAALLL! Celtic have turned the game around, they lead 2-1 as Jullien powers a header into the back of the net on 89 minutes! Christie whips a corner into the box and Jullien is completely unmarked, no-one picks him up and the centre-back places the ball in the far corner of the net.
87'
D. Cataldi gets yellow.
Cataldi is booked for a late sliding challenge on Bitton, a needless challenge to make and he is now booked for their next Europa League game.
85'
D. Cataldi enters the game and replaces F. Caicedo.
J. Hayes enters the game and replaces B. Bolingoli.
Third and final Lazio substitution now, with Caicedo coming off and he has been replaced by Cataldi.
Celtic also make their final substitution, with Mbombo coming off and he has been replaced by Hayes.
83'
N. Bitton enters the game and replaces H. Elhamed.
Another Celtic substitution now, with Elhamed coming off and he has been replaced by Bitton.
82'
There's a coming together between Parolo and McGregor right on the touchline, as the Celtic midfielder tries to stop Lazio man from taking a quick throw-in.
77'
C. Jullien gets yellow.
Jullien is also booked for dissent, after challenging the referee's decision.
Minute
Description
76'
Bastos gets yellow.
Bastos is booked for a late foul on McGregor, he dives into the challenge and gets nowhere near the ball.
75'
Milinkovic-Savic with a good opportunity after another quick counter-attack by Lazio, this time down the right-wing and the ball is dragged back to the midfielder on the edge of the box, but his shot is well blocked.
73'
C. Immobile enters the game and replaces J. Correa.
Another Lazio change now, with Correa coming off the pitch and he has been replaced by Immobile.
71'
The goal has certainly livened up the game and the crowd inside Celtic Park now, they feel that their side can go on and win the game now.
69'
S. Lulić enters the game and replaces Jony.
Lazio make their first substitution now just after the Celtic goal, with Jony coming off and he has been replaced by Lulic.
67'
R. Christie has scored a goal for Celtic! Assist by O. Édouard.
Edouard and Christie have been Celtic's best two players so far and then work well together to draw Celtic level.
GOOOAAALLL! Christie pulls Celtic level, it's 1-1! Edouard creates the goal, he dribbles into the box and shapes up to shoot himself, but instead pulls it back to Christie, who curls the ball into the back of the net, just evading Strakosha.
66'
T. Rogić enters the game and replaces M. Elyounoussi.
Celtic make their first substitution of the game, with Elyounoussi coming off and he is replaced by Rogic.
62'
M. Elyounoussi gets yellow.
The first yellow card of the game is shown to Elyounoussi after he drags Bastos to the ground as Lazio look to break forward on the counter.
61'
You can sense the frustration in the home supporters now as another pass goes astray on the edge of the Lazio penalty area. Celtic are yet to test Strakosha yet in the second half.
59'
Much better from Celtic, they put Lazio under lots of pressure at the back and force the mistake, with Edouard nicking it back in the box, he then lays it back to Christie, but his shot is blocked. Much better.
58'
Decent effort! Christie tries to replicate his earlier strike, this time with a curling shot from the edge of the box, but it flies high over the Lazio crossbar.
56'
Excellent challenge by Jullien to deny Caicedo as the striker raced into the penalty area and almost fired a shot towards goal. Another quick counter by the Italian side that nearly catches Celtic out.
54'
Lazio are starting to get on the ball now, with Milinkovic-Savic controlling the midfield for the visitors.
52'
It's mainly the away supporters who can be heard inside Celtic Park now, as they continue to keep the hosts at bay and look comfortable at the back.
48'
Celtic with the early possession once again at the start of the half, but Lazio are happy for them to keep it in the middle of the pitch as they aren't testing the Italians.
46'
The second half is under way!
45' +1
HALF-TIME: CELTIC 0-1 LAZIO
45'
There will be a minimum of one minute added time played.
44'
Caicedo with a wild effort from long range, but it doesn't come close to testing Forster, flying high and wide of the Celtic goal.
42'
The goal came against the run of play, with Celtic seeing much more of the ball and have been camped inside the Lazio half for much of the game.
40'
M. Lazzari has scored a goal for Lazio! Assist by J. Correa.
It was a really quick break from Lazio, they had just been defending at the other end, but the pace of Correa and Lazzari undid them, with Correa drawing the Celtic defenders to him, before laying it off to his team-mate in a better position.
GOOOAAALLL! Lazio take the lead, it's 1-0! Brilliant counter-attack by the Italian side, with Caicedo turning and passing to Correa on the halfway line, who sprints forward and then playing it off to Lazzari on the overlap to his right, who races into the penalty area and smashes the ball past Forster at his near post and into the back of the net.
38'
Good effort! McGregor with a powerful strike from the edge of the box, it takes a deflection and flies just wide of the Lazio goal. However, the officials don't pick up on the deflection and award a goal-kick.
37'
There's not long left to play until the half-time whistle now, can either side break the deadlock before the end of the half?
35'
Milinkovic-Savic tries to work space for the shot on the edge of the penalty area, but is unable to do so and Celtic break forward on the counter, with Edouard almost breaking in behind, but Strakosha is quick off his line and clears the danger.
33'
It's been a cagey game so far, with Lazio looking to try and break forward on the counter, as Celtic are leaving a bit of space at the back when they attack.
31'
We're past the half an hour mark now at Celtic Park and it remains goalless between Celtic and Lazio, with the hosts looking the more dangerous side so far.
27'
Brown is involved in a coming together with Caicedo on the halfway line, after the striker brings him down after a couple of attempts. The Celtic skipper didn't like that challenge.
25'
Lazio were 3-0 down at the weekend against Atalanta, they managed to come from behind to draw 3-3 in the Serie A game. Immobile with two of them, the equaliser coming in the 92nd minute.
21'
Celtic have still come the closest to scoring, with Christie's shot a few minutes ago striking the post. Lazio are yet to carve open a goalscoring opportunity at the other end.
19'
Both teams are struggling to keep the ball for sustained periods now, with a few too many sloppy passes in midfield, which is breaking up play.
17'
Decent effort! Correa with a good curling shot from the edge of the box, it appears to be a comfortable one for Forster, but he spills it. Luckily, there were no Lazio players lurking nearby and Celtic clear the danger.
15'
Lazio have just started to settle into the game now, but they aren't showing any urgency to push forward and test Forster in the Celtic goal.
11'
Celtic are starting to get into some good positions on the edge of the penalty area, but keep looking for another pass, rather than fire a shot at goal and potentially testing Strakosha in the Lazio goal.
9'
The hosts are enjoying the majority of possession so far, keeping it well in midfield, but Lazio are getting numbers back behind the ball and keeping them out of their final third.
7'
Celtic win the first corner of the game, after Acerbi is forced to turn the ball out of play. However, Vavro gets up well in the box and heads the corner away and clears the danger.
5'
The atmosphere is electric as always inside Celtic Park, it's a packed house and the home supporters are creating a huge amount of noise in the early stages of the game.
1'
We're underway!
Hello and welcome to our LIVE match commentary of the Group E Europa League clash between Celtic and Lazio at Celtic Park.
Celtic sit top of Group E, after beating Cluj 2-0 and drawing against Rennes in the opening game, while Lazio are third, following a defeat against Cluj, but they then beat Rennes 2-1.
The hosts come into the game on the back of a thumping 6-0 victory over Ross County at the weekend, bouncing back from a disappointing defeat against Livingston a week earlier. However, they are still top of the Scottish Premiership. Meanwhile Lazio are seventh in Serie A, having drawn their last two games, against Bologna and Atalanta.
CELTIC (4-2-3-1): Fraser Forster; Hatem Elhamed, Christopher Jullien, Kristoffer Ajer, Boli Bolingoli-Mbombo; Scott Brown, Callum McGregor; James Forrest, Ryan Christie, Mohamed Elyounoussi; Odsonne Edouard.
CELTIC SUBS: Jonny Hayes, Tomas Rogic, Moritz Bauer, Scott Sinclair, Craig Gordon, Vakoun Issouf Bayo, Nir Bitton.
LAZIO (3-5-2): Thomas Strakosha; Bastos, Denis Vavro, Francesco Acerbi; Manuel Lazzari, Marco Parolo, Lucas Leiva, Sergej Milinkovic-Savic, Jony; Joaquin Correa, Felipe Caicedo.
The teams are out on the pitch and kick-off is just a few minutes away, stay tuned for all of the match action!
Celtic have worked themselves into some very good positions in the final third, but are lacking a final clinical pass or shot when they get into a strong position in front of goal. Plenty to work on for Neil Lennon's side.
That's all from us today folks, we hope you enjoyed the game!
Celtic remain top of Group E, with seven points, whilst Lazio are third. Celtic return to domestic league action on Sunday, facing Aberdeen. The Italian side will be looking to get back to winning ways at the weekend, they face Fiorentina on Sunday in Serie A.
Commentary
More…