Postpublished at 81mins
Dundee 1-2 Celtic
Marcus Haber has a great chance to equalise, but the striker heads well wide when head meets cross at the back post.
Celtic need one more win to secure title
Gomis deflected Simunovic shot into net
Armstrong headed home Forrest cross
El Bakhtaoui stunner halved Dundee deficit
Dundee lose third match in succession
Clive Lindsay
Dundee 1-2 Celtic
Marcus Haber has a great chance to equalise, but the striker heads well wide when head meets cross at the back post.
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Dundee 1-2 Celtic
Willie Miller
Former Scotland defender on BBC Sportsound
"That is an incredible strike from El Baktaoui. He has made such an impression with a wonder strike. It is difficult when the ball is in front of you to get that much power, but he has given Dundee some hope from nowhere."
Dundee 1-2 Celtic
Faissal El Bakhtaoui is full of confidence, but this time his long-range effort is several yards over the Celtic crossbar, but the game is back in the balance.
Faissal El Bakhtaoui
Faissal El Bakhtaoui has only been on the park a couple of minutes and the striker powers past Dedryck Boyata and plants a superb 25-yard drive into the top corner.
Dundee 0-2 Celtic
Chris McLaughlin
BBC Sport Scotland at Dens Park
Quote MessageCeltic's two goals have certainly helped stretch this game as Dundee push out in search of a way back in. Haber really should have given them a lifeline but screwed his shot wide. Paul Hartley is tinkering with his formation but it does have a game over feeling already
Dundee 0-2 Celtic
Another attacking change for Dundee as striker Faissal El Bakhtaoui comes on for Henrik Ojamaa.
Dundee 0-2 Celtic
Celtic midfielder Emoue Kouassi's first impact on the game is to earn a booking for hauling down Cammy Kerr.
Dundee 0-2 Celtic
As Dundee defender Darren O'Dea receives treatment after a challenge with Moussa Dembele, Celtic make a change with Patrick Roberts coming on for James Forrest on the wing.
Dundee 0-2 Celtic
Willie Miller
Former Scotland defender on BBC Sportsound
"I thought that was a blatant dive from Dembele. There was no contact. He has tried to take advantage of the referee there, but the ref doesn't buy it."
Dundee 0-2 Celtic
Callum McGregor has fallen out of the game for Celtic and the midfielder is replaced with January signing Eboue Kouassi.
Dundee also make a positive midfield change, with Nick Ross on for the more defensive Tom Hateley.
That came after a muted penalty appeal for the visitors, but Moussa Dembele appeared to stand on the ball.
Dundee 0-2 Celtic
Cammy Kerr caps his excellent game with a fine run and cross, but Paul McGowan can't make proper contact in front of goal.
The game is flowing from end-to-end and Kevin Gomis makes a superb intervention to prevent Scott Sinclair setting up Moussa Dembele in Dundee's six-yard box.
Dundee 0-2 Celtic
It's not been a good couple of minutes for Kieran Tierney as the left-back bursts behind the Dundee defence, but a combination of hesitation and poor control and the scoring chance is lost yards from goal.
Dundee 0-2 Celtic
Suddenly Celtic are looking a bit ragged and captain Scott Brown goes into the referee's book for a late tackle on Paul McGowan.
Dundee 0-2 Celtic
Kieran Tierney blots his copybook as the normally excellent left-back plays a loose pass that is gathered by Paul McGowan.
The midfielder sets up Marcus Haber in front of the Celtic goal, but the striker curls his drive just wide of the post.
Dundee 0-2 Celtic
Dundee manager Paul Hartley makes an attacking change, with James Vincent, who has been fairly anonymous in midfield, being hauled off and being replaced with striker Craig Wighton.
The home side move to 4-4-2, with Wighton joining Marcus Haber up front.
Dundee 0-2 Celtic
It is still being debated about whether Celtic's first goal should be credited to Jozo Simunovic, who had the shot, or defender Kevin Gomis, whose back helped it into the net.
If it is given to the Celtic defender, it will be Croat's first goal of the season.
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Dundee 0-2 Celtic
Willie Miller
Former Scotland defender on BBC Sportsound
Quote MessageDundee's hope would have been to stay in the game for longer than that and sneak something late on. It is really difficult to see how they can now get back into this game
Stuart Armstrong
Stuart Armstrong celebrates his call-up to the Scotland squad with a fine front-post header to extend the lead after James Forrest ghosts past Kevin Holt on the Celtic right and delivers a fine cross.
You can't see Dundee coming back from this now.