Callum McGregor gives Celtic the lead on three minutes
Arkadiusz Milik levels after Viktor Fischer is denied by Craig Gordon
Vaclav Cerny scores on the counter-attack for Ajax in the final five minutes
Group leaders Molde have already qualified for the last 32, but lost 2-0 at home to Fenerbahce
Celtic are eliminated
I'll sign off now on what has been another frustrating night for Celtic in Europe. No wins from five Europa League outings, 11 goals conceded, it's not pretty for the Scottish champions.
We'll be back tomorrow with St Johnstone v Dundee in the Premiership.
Quote MessageThis gives me a lot of energy to bounce back and I've done that many times in my career
Ronny Deila, Celtic manager
Quote Message"Some of the same things were happening. Again it was not good enough. But I see talent that will develop."
Ronny Deila, Celtic manager
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The end of the line for Celtic is a trip to Fenerbahce next month. The game is meaningless for the Scottish champions but the Turks have it all to play for since Ajax can still catch them.
Celtic were seriously under strength tonight, with four first-choice midfielders missing. There were a few bright points as Jozo Simunovic had a good game in defence and Scott Allan showed promise in his late cameo but the overriding feeling will be of disappointment.
Image source, SNSCeltic played the final few moments with 10 men since Charlie Mulgrew, a second half substitute, went off, presumably with some kind of injury.
The Scotland international was making his first appearance since mid-September after a thigh injury.
Two points from five matches is a pretty miserable haul and Celtic will be frustrated at not building on the great start they had when Callum McGregor shot them ahead.
The Scottish champions have been ahead against Ajax three times in this group and were 2-0 up at one stage against Fenerbahce...
Celtic 1-2 Ajax
Celtic are out of Europe and will finish bottom of Group A.
A remarkable scramble in the Celtic penalty box as Mikael Lustig makes a great sliding challenge in front of his own goal and Craig Gordon stops a point-blank shot.
We're into stoppage-time now as Celtic keep plugging away gamely but it looks like another loss from a leading position in Europe.
Celtic 1-2 Ajax (Cerny)
Ajax break from defending their own penalty area and, with hardly a Celtic defender in sight, Vaclav Cerny slots a shot in at Craig Gordon's near post, with the keeper going down very early.
As news of a second Fenerbache goal in Molde filters through, Amin Younes thumps a shot against the post.
It's not been a great night for Leigh Griffiths as the Celtic striker struggles to get the ball under control after Stuart Armstrong picks him out with a low cross. He's crowded out and the eventual shot has no fizz on it...
Scott Allan certainly has packed a lot into this cameo role as he gets a booking for a cruncher on Ajax captain Davy Klaassen.
Just prior to that, Emilio Izaguirre replaced Kieran Tierney at left-back.
Tom English
BBC Sport Scotland at Celtic Park
Quote MessageSince Scott Allan has come on he's been terrific. His passing is pin sharp and quick. In a few minutes he's created great chances for Griffiths and Mulgrew. Where has he been all this time?
Celtic are turning the screw as James Forrest floats a free-kick to the back post and there is Charlie Mulgrew, who looks favourite to nod home, but he can't keep the effort under the bar.
It's the Scott Allan show right now as the substitute midfield turns smartly to embark on another surge forward but this time his pass for Leigh Griffiths is a touch over-hit.
Scott Allan drives forward after winning the ball deep in his own half and releases Leigh Griffiths with another neat pass but the striker runs into trouble this time.
Scott Allan makes a difference straight away, cutting Ajax open with a great pass to Leigh Griffiths, who is one-on-one with the keeper but can't beat Jasper Cillessen.