Huddersfield Town held off Championship leaders Cardiff City with a gritty display at the John Smith's Stadium.
Despite the stalemate, Cardiff stretched their lead to 11 points after Leicester City were beaten 2-1 at bottom side Peterborough United.
James Vaughan did have the ball in the net for the Terriers but Cardiff keeper David Marshall had been fouled.
Defender Matthew Connolly had Cardiff's best chance when he hit the post in first-half stoppage time.
It was only the second time in eight league games that Cardiff had dropped points, but managerless Huddersfield deserved their share of the spoils.
Joint Huddersfield caretaker managers Mark Lillis and Steve Eyre were able to name central defender Joel Lynch for his first start since New Year's Day, while striker Sean Scannell was recalled.
Cardiff boss Malky Mackay made minimal changes, with Kevin McNaughton replacing Ben Turner at right-back.
- Runaway Championship leaders Cardiff are now unbeaten in eight league games, picking up 20 points out of a possible 24
Neither side produced a shot on goal in a cagey opening quarter of an hour before Huddersfield striker Vaughan headed wide from six yards.
Cardiff defender Mark Hudson was off target with a header from similar distance at the other end and home midfielder Oliver Norwood fired a 25-yard free-kick over the crossbar.
Huddersfield took the game to the leaders and had a goal disallowed midway through the first half when Vaughan hooked the ball home from a corner, only for referee Mark Brown to rule Cardiff goalkeeper Marshall had been fouled.
The visitors enjoyed their best spell as half-time approached and Huddersfield goalkeeper Alex Smithies, captain for the day in the absence of Peter Clarke, was forced into a full-length save to turn away Craig Bellamy's 25-yard free-kick.
Cardiff almost snatched the lead in time added on at the end of the first half when centre-half Connolly crashed a shot from the right edge of the penalty area against the post.
The Welshmen were then dealt an injury blow as McNaughton required medical treatment after a heavy challenge and he was replaced during the interval by Ben Nugent.
Cardiff began to get on top early in the second period and Bellamy fired an angled left-footed shot just wide in the 60th minute.
Smithies then fumbled an effort from Craig Conway and Nugent headed the subsequent corner the wrong side of the post as Huddersfield were forced on to the back foot.
Bellamy smashed a free-kick from the edge of the area into the wall with three minutes remaining to end a frustrating afternoon for the Welshmen, while Huddersfield were given a standing ovation by the majority of a 15,265-strong crowd.
Huddersfield caretaker manager Mark Lillis: "We had 11 captains out there and I am massively proud.
"It was an important point and that's two clean sheets against two top four sides now - Cardiff and Crystal Palace.
"The players have showed great spirit, endeavour and passion and that's what a manager wants to see."
Cardiff manager Malky Mackay: "It's another point gained for us. We were playing against a team that is now unbeaten in six at home and they are playing for their management.
"They had a five-man midfield with 10 men defending the final third but we have to get used to that.
"I will always take 0-0 away from home. It keeps us undefeated in a difficult division.
"It was a very tricky pitch, one of the poorest we have played on but it was the same for both teams."
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Live Text Commentary
Full Time The referee ends the match.90:00 +0:40 Substitution
Substitution Alan Lee joins the action as a substitute, replacing James Vaughan.88:59
Craig Bellamy shoots direct from the free kick, James Vaughan gets a block in.88:59 Booking
Booking Craig Bellamy is shown a yellow card.88:00 Booking
Booking Jack Hunt booked.87:52
Free kick awarded for an unfair challenge on Andrew Taylor by Jack Hunt.83:43 Substitution
Substitution (Huddersfield) makes a substitution, with Chris Atkinson coming on for Oliver Norwood.77:40
The ball is crossed by Aron Gunnarsson.75:57
Mark Hudson concedes a free kick for a foul on James Vaughan. Oliver Norwood restarts play with the free kick.74:58
Free kick awarded for a foul by Fraizer Campbell on James Vaughan. Anthony Gerrard takes the direct free kick.72:18 Substitution
Substitution Tommy Smith leaves the field to be replaced by Fraizer Campbell.71:55
Free kick awarded for an unfair challenge on Oliver Norwood by Peter Whittingham. Free kick taken by Alex Smithies.68:15
Heidar Helguson is ruled offside. Direct free kick taken by Alex Smithies.67:44
Craig Conway fouled by Sean Scannell, the ref awards a free kick. Craig Bellamy takes the free kick.66:56
The ball is swung over by Scott Arfield.63:31
Matthew Connolly challenges James Vaughan unfairly and gives away a free kick. Oliver Norwood crosses the ball from the free kick right-footed from own half.61:34
Craig Conway takes a shot. Alex Smithies makes a save. Craig Bellamy takes the inswinging corner, Header from close in by Ben Nugent misses to the right of the target.60:41
Free kick awarded for a foul by James Vaughan on Mark Hudson. Direct free kick taken by Mark Hudson.59:50
Craig Bellamy produces a left-footed shot from deep inside the area which goes wide of the left-hand post.56:11
Free kick crossed right-footed by Oliver Norwood from left channel, Matthew Connolly manages to make a clearance.
Booking Ben Nugent shown a yellow card.55:18
Ben Nugent gives away a free kick for an unfair challenge on James Vaughan.52:20
Craig Bellamy takes the inswinging corner, save by Alex Smithies.49:16
Unfair challenge on Aron Gunnarsson by Adam Clayton results in a free kick. Free kick taken by David Marshall.47:37
Oliver Norwood takes a inswinging corner.45:01
The game restarts for the second half.45:01 Substitution
Substitution Kevin McNaughton leaves the field to be replaced by Ben Nugent.45:01 Substitution
Substitution Heidar Helguson is brought on as a substitute for Bo-Kyung Kim.45:00 +3:21 Half time
Half Time The referee calls an end to the first half.45:00 +1:47
Matthew Connolly takes a shot from just outaide the penalty area and strikes the post.45:00 +1:08 Booking
Booking Joel Lynch booked.45:00 +0:57
Foul by Joel Lynch on Aron Gunnarsson, free kick awarded. Direct free kick taken by Peter Whittingham.44:36
Effort from outside the penalty box by James Vaughan goes wide right of the target.40:29
Corner taken by Craig Bellamy from the left by-line, James Vaughan makes a clearance.38:15
Unfair challenge on Bo-Kyung Kim by Neil Danns results in a free kick. Strike on goal comes in from Craig Bellamy from the free kick, Corner taken by Craig Bellamy from the left by-line played to the near post, Calum Woods makes a clearance. Save by Alex Smithies.37:19
Tommy Smith is ruled offside. Direct free kick taken by Calum Woods.34:49
Unfair challenge on Bo-Kyung Kim by Oliver Norwood results in a free kick. Matthew Connolly takes the direct free kick.33:24
Craig Bellamy fouled by Adam Clayton, the ref awards a free kick. Mark Hudson takes the direct free kick.32:39
Peter Whittingham challenges Adam Clayton unfairly and gives away a free kick. Direct free kick taken by Anthony Gerrard.31:53
Joel Lynch fouled by Tommy Smith, the ref awards a free kick. Oliver Norwood takes the direct free kick.31:19
Free kick awarded for a foul by Adam Clayton on Kevin McNaughton. Free kick taken by David Marshall.30:51
Inswinging corner taken right-footed by Oliver Norwood from the right by-line, clearance by Peter Whittingham.30:10
Tommy Smith is flagged offside by the assistant referee. Alex Smithies takes the direct free kick.28:19
Neil Danns gives away a free kick for an unfair challenge on Bo-Kyung Kim. Craig Bellamy crosses the ball in from the free kick, Alex Smithies makes a comfortable save.26:53
Corner taken right-footed by Oliver Norwood, James Vaughan challenges Mark Hudson unfairly and gives away a free kick. David Marshall takes the free kick.24:06 Booking
Booking Andrew Taylor booked for unsporting behaviour.23:48
Andrew Taylor concedes a free kick for a foul on Sean Scannell. Oliver Norwood takes the direct free kick.23:15
Inswinging corner taken right-footed by Craig Bellamy, clearance by James Vaughan.20:37
Unfair challenge on Sean Scannell by Kevin McNaughton results in a free kick. Free kick taken by Calum Woods. Free kick awarded for a foul by Matthew Connolly on James Vaughan. Oliver Norwood has an effort direct from the free kick.19:38
Mark Hudson produces a headed effort from deep inside the six-yard box which goes wide of the right-hand upright.16:32
Close range header by James Vaughan misses to the right of the goal.15:42
Craig Conway gives away a free kick for an unfair challenge on Sean Scannell. The free kick is delivered right-footed by Oliver Norwood from left channel, clearance by Mark Hudson.13:28
Corner taken right-footed by Craig Bellamy from the right by-line, clearance by James Vaughan.12:52
Free kick awarded for a foul by James Vaughan on Mark Hudson. Mark Hudson takes the direct free kick.10:01
Free kick awarded for an unfair challenge on Jack Hunt by Peter Whittingham. Alex Smithies takes the free kick.8:49
Corner taken right-footed by Oliver Norwood.7:07
Free kick awarded for an unfair challenge on Mark Hudson by James Vaughan. Craig Bellamy takes the direct free kick.4:13
Unfair challenge on Craig Conway by Calum Woods results in a free kick. Peter Whittingham crosses the ball from the free kick left-footed from right channel.2:48
The assistant referee flags for offside against James Vaughan. David Marshall takes the free kick.0:00
The referee starts the match.
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