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By Keir Murray
2123: We'll have the full interviews on the site just as soon as I call it a day here. So it's time to say many thanks indeed for joining BBC Scotland on your PC or mobile phone. Many thanks, too, for sending your texts and tweets. Enjoy what's left of your evening. All the best.
2122: Colin Calderwood tells BBC Scotland's Chick Young that Hibs did not defend properly. Yep. "We just didn't give ourselves any opportunity to win a cup tie," he says.
2119: lyttle1888 on Twitter: "Great performance by James Forrest tonight!! Tremendous potential and great to see him getting a chance #bbcsportsound #Celtic"
2117: An anonymous text: "Watched the game online. Celts must apply the same attacking football like the second half show but still making the simple mistakes at the back. Our goalkeeper must improve. He makes the telling saves and then the schoolboy errors, must do better. Mon the Celts."
2115: Eric the Hibby is not happy: "This Hibs team is the worst I have seen in 40 years. There has to be change at all levels at Easter Road."
2114: "I'm delighted to be in the semi-finals. It is a very important win for us. Saturday becomes the biggest game of the season [v Hibs in Glasgow], just like tonight was." Celtic boss Neil Lennon on BBC Sportsound
2113: Neil Lennon thinks Celtic's second-half performance was better than that at Kilmarnock when they hauled back a three-goal deficit.
2111: Ronnie in Glasgow by text: "Laughable the comments at half time from these so called Celtic 'fans', and I use that in the loosest of terms. We all know we're going through a rough time but the real supporters are giving the team just that. Take it we won't see any of the knee jerk brigade at Parkhead any time soon seeing as they're all so desperate for Neil Lennon to get sacked."
2109: michaelhutcheon on Twitter: "Celtic still show a weakness that is going to cost them one way or another, especially defensively. #bbcsportsound"
2107: The realpsmith on Twitter: "Hope Lennon and co can manage Forrest development so he reaches his full potential. Too many young Scots don't. #bbcsportsound"
2106: Let's see what we have in the way of texts and tweets...
2104: Hibs can look at the chance Leigh Griffiths had when one-on-one with Fraser Forster. A better first touch would have served him better. But Celtic, too, missed first-half chances, most notably from Gary Hooper sliding in to shoot wide from six yards and Anthony Stokes hitting the post and wasting a chance with a shouldered effort rather than a header.
2103: The last 10 minutes of the match were a non-event. Congratulations to Celtic for completely turning the match on its head. They were terrific in the first half hour of the second period.
FULL-TIME: Hibernian 1-4 Celtic
jockSwizz on Twitter: "TIP FOR NEIL LENNON: Give your half-time team talk BEFORE the match... #bbcsportsound #Celticfc"
2100: Neil Lennon's half-time team talks are proving to be very effective.
2058: Hibs manager Colin Calderwood has the look of a man who has had his gas metre read for the first time in four years and has just received his bill. Did I see his bottom lip wobble?
2057: Steve in Irvine, by text to 80295: "I phoned my Hibs fan Dad at half time to tell him he should watch the game as Hibs were playing great. He WON'T be thanking me now."
2055: Celtic are stroking the ball about now. The teams meet again, in the league, on Saturday.
2053: Hibs have the look of the BBC Sport Scotland football team from last night. We were scudded 4-0 in East Kilbride - the heads went down when it went to a three-goal deficit. Torture.
2051: OK, we have 11 minutes left at Easter Road. Celtic will join Kilmarnock, Ayr United and Falkirk in the draw to be made next week. Unless a miracle is about to happen...
2049: And Colin Calderwood makes a few changes too: on comes Akpo Sodje for Junior Agogo, and the anonymous Garry Connor - if that's not too oxymoronic - makes may for Lewis Stevenson.
2048: Victor Wanyama came on in place of Beram Kayal just before Sproule's red card. Paddy McCourt is now on for Gary Hooper.
2045: Chris from Dumfries says by text: "The Celtic players shouldn't need to get a bollockin from Lennon, they're overpaid players with massive egos. Well done, Lenny."
Bleugh, it's not getting any better for the Hibs team. Ivan Sproule picks up a second yellow card for a foul on flying machine James Forrest and is sent packing by Willie Collum. No argument from the Hibs man - he knew his time was up in this match.
And then there were four... Gary Hooper arcs his run to break the offside trap, bring down the long ball from the left-back area with one touch and stroke the ball into the net. Too easy for Celtic now.
GOAL! Hibernian 1-4 Celtic (Hooper)
2040: Hibs' Victor Palsson trudges off the pitch to be replaced by Danny Galbraith.
2038: Have Hibs anything in their armoury to haul themselves back into the game? Let me just check the texts for those suggesting Neil Lennon shouldn't be sacked after all...
Boy, oh boy! Shades of Celtic's comeback from being 3-0 down at Rugby Park recently. From a goal down at half-time, Celtic are on easy street as Anthony Stokes, unchallenged, thuds a header past Mark Brown from Ki's corner kick.
GOAL! Hibernian 1-3 Celtic (Stokes)
2033: "He is unplayable just now, James Forrest." BBC Sportscene summariser Craig Paterson
2032: Leigh Griffiths speeds clear and heads for goal but is stymied by a determined run by Adam Matthews, who not only thwarts the striker's attempt at a shot but wins a goal-kick.
Two flashes of skill from James Forrest changes the complexion of the cup tie. The 20-year-old plays a one-two with Anthony Stokes on the edge of the box and clips a left-foot shot past Mark Brown.
GOAL! Hibernian 1-2 Celtic (Forrest)
2027: JonnyP77 on Twitter: "Only 2 on form centre backs we have are Hooiveld (top of C'ship w/ S'oton) and O'Dea (top 6 C'ship w/ Leeds) - oh the irony! #bbcsportsound"
2025: Junior Agogo is offside when he receives the ball on the 18-yard line... Look, I'm going to be charitable here and say the ref's whistle put the Hibs man off - his shot at goal was 10 feet over the bar.
2023: Ah, dear. Poor free-kick from Leigh Griffiths. Celtic's defensive wall does its job and they move into the opposition's half.
2023: Hibs' Leigh Griffiths wins a free-kick in a central position 30 yards from goal. Thomas Rogne was too enthusiastic to get to the ball there.
James Forrest blasts a cracking shot past Mark Brown in the second minute of the second half. A ball from Ki Sung-Yueng to Gary Hooper at the edge of the box is nudged on to the Scotland winger who shows lovely balance to wrong-foot Paul Hanlon, create space and blast the equaliser. Class.
GOAL! Hibernian 1-1 Celtic (Forrest)
2017: Neither side has made a change at the interval.
2017: Hibs kick off the second half.
2016: "I think there are more goals in this match." Former Celtic striker Scott McDonald on BBC Sportscene
2013: From Charlie "on" Buckie (that's what it says, though I hope it's a typo!) "When Kelvin Wilson is fit, the defence will improve, but I am sick of caring more than some of the players."
2011: You can be sure that manager Neil Lennon will be doing all he can to inject some urgency into the Celtic players. Certainly, James Forrest looks alert and I would not bet against Anthony Stokes scoring against his old club, but the Glasgow side look too lethargic for a cup quarter-final.
2009: Hope you are looking forward to the second half. Hibs need to be that bit sharper in front of goal. Fraser Forster has kept Celtic in the game on a couple of occasions but the home team's forwards have allowed the ball to run away from them at the crucial moment.
2006: Fair point from teamgbeans on Twitter about the poor attendance? "So you moan about crowd but it was BBC that made a 7:15 kick off #bbcsportsound."
2005: We'll be posting highlights of the three other quarter-finals from last night on the website this evening. Don't miss that Falkirk penalty shoot-out win.
2002: Gallacticos87 on Twitter using #bbcsportsound: "Gerry in Coatbridge (see 1949) clearly wasn't at any games last year. Lennon knows what he's doing, he just needs a run of luck."
HALF-TIME: Hibernian 1-0 Celtic
1959: It's end-to-end action now, with both keepers being called upon to display their appetite for cross balls. There must be more goals in this!
1957: Talking of which, Leigh Griffiths races free from the high Celtic defensive line and after a 40-yard dash meets the formidable frame of Fraser Forster, who makes a superb block and smothers the ball.
1956: Celtic have the bulk of the play in the danger area but Hibs look lively and dangerous on the break.
1954: Fraser Forster races from his goal to repel Junior Agogo, who burst a gut to get on the end of Ivan Sproule's pass into the box in a promising, but ultimately fruitless, Hibs attack.
1951: Hibs winger Ivan Sproule races down the left wing, cuts inside and arrows a shot a yard or so over the junction of post and crossbar. That effort had Hibs boss Colin Calderwood leaping from the dugout.
1949: Gerry in Coatbridge doesn't mince his words: "Regardless of the injury list, Celtic should have the quality to win the game. To be one down after a few minutes is not good enough. Neil Lennon must go, job is too big for him."
1947: Anthony Stokes gets in to a good position in the box to meet a corner kick but can only shoulder the ball wide of the target. That shouldering motion looked like a '70s dance move.
1946: Leigh Griffiths makes a weak claim for a penalty kick, backing into Adam Matthews in the Celtic box and hitting the deck in dramatic fashion.
1942: Some lovely play through the midfield sets up Anthony Stokes on the edge of the box and the Celtic striker clips the post with his left-foot shot.
1941: Anthony Stokes steps up and blooters a shot high over the bar from the set play. What a waste.
1940: Referee Willie Collum awards Beram Kayal a free-kick 30 yards from goal when the Celtic playmaker falls to the turf under pressure from Junior Agogo.
1938: Some poor and nervy defending from Celtic as Daniel Majstorovic allows Leigh Griffiths too much space on the right wing and when the on-loan striker crosses into the box Adam Matthews fails to control the ball and Hibs win a corner.
1936: Beram Kayal plays an inviting cross into the six-yard box where Gary Hooper slides in to connect but the ball slithers by Mark Brown's left-hand post. That was Celtic's best chance of the first 20 minutes.
1934: James Forrest is penalised for straying offside as he tries to get clear of the Hibs rearguard.
1932: Text from Tom in Edinburgh: "With the coming together of the two most porous defences in all Scottish football, I was gonna put some money on it being 10-all at full time, but the best odds I could get was evens."
1930: Celtic winger James Forrest makes a sprightly leap in the box but cannot get on the end of a deep cross into Mark Brown's box.
1928: Celtic are enjoying a bit more possession now, with former Hibee Anthony Stokes and Gary Hooper trying to make inroads into the Hibs defence.
1927: An anonymous text from a Celtic fan unhappy at how easily Celtic conceded the goal: "All comes from a corner that Majstorovic didn't have to concede, he is a disaster."
1924: Junior Agogo chases a long ball, which Beram Kayal looks to have under his control but there's a momentary mix-up between the Celtic midfielder and goalkeeper Fraser Forster and the ball wriggles free. However, Forster grasps the ball and the score remains at 1-0.
Hibs take the lead after five minutes. A Hibs corner is kicked off the line by Adam Matthews but only as far as Ivan Sproule who slams a shot across the face of the goal, off big Daniel Majstorovic's foot and into the net.
GOAL! Hibernian 1-0 Celtic (Majstorovic og)
1919: In the first decent piece of action, David Wotherspoon volleys a cross into the box from the right for Hibs - Thomas Rogne does enough to guide the ball to safety for the visitors.
1918: Hibs are in their customary green and white strips, while Celtic are wearing their wasp-like garb.
1916: The ref is Willie Collum and he blows for kick-off.
1915: The teams are on the pitch. The ground is slowly filling up. Let's hope we have a cracker for you.
1914: Thomas Rogne makes his first appearance of the season for Celtic. The Norway Under-21 defender comes in for injured Glenn Loovens while Daniel Majstorovic replaces Charlie Mulgrew, who is also injured. Mark Wilson takes over from Victor Wanyama, who is named as substitute.
1913: Goalkeeper Mark Brown, David Stephens, Victor Palsson and Ivan Sproule come in for the home side with Graham Stack and Danny Galbraith on the bench and Sean O'Hanlon and on-loan defender Richie Towell - not allowed to play against his parent club - missing altogether.
1912: Confirmation of the Hibs subs - Stack, Galbraith, Sodje, Scott, Stevenson.
1911: "There are wide open spaces in all four stands," frets Chick Young. Could it be that the fans don't realise it's a 1915 kick-off?
1908: Don't forget, this could go to penalties if the teams cannot be split after 90 minutes and extra-time.
1906: Hibs have made four changes to the team that beat St Mirren on Saturday. Chick Young informs listeners to Sportsound that Hibs will line up 4-3-3.
1903: The League Cup has its critics - and the attendances have not been too impressive at some matches - but there has been some tremendous excitement so far in the tournament. Falkirk beating Rangers was a thriller and Ayr have contributed to the drama too.
1900: The Sportscene commentary team is Liam McLeod and no-nonsense defender, the former Hibs star Craig Paterson.
1854: We have the away team news first. CELTIC TEAM: Forster, Wilson, Rogne, Majstorovic, Matthews, Forrest, Kayal, Ki, Ledley, Stokes, Hooper. Subs: Zaluska, Wanyama, McCourt, Cha, El Kaddouri
1852: If you are in the UK you will be able to watch the BBC Sportscene coverage of the game on this website. The programme starts at 1900 BST.
1850: It's great to have your company. Please share your thoughts on the match by text to 80295 or by using Twitter with the #bbcsportsound hashtag.
1847: Hibs boss Colin Calderwood tells BBC Radio Scotland that Celtic are the favourites for this evening's match. However, with Ayr beating St Mirren and Falkirk knocking out Dundee United in last night's games, perhaps he secretly fancies his chances.
1845: Good evening! It's Hibernian v Celtic at Easter Road, the fourth quarter-final of this season's Scottish Communities League Cup. Who will join Kilmarnock, Falkirk and Ayr United in the semi-final draw, which will be made early next week?
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