GOAL Celtic 4-0 Rangerspublished at 77 mins
Olivier Ntcham
It's a fourth for Celtic as Moussa Dembele passes penalty duties to Olivier Ntcham, who fires home from the spot.
Summary
FT: Celtic 4-0 Rangers - Rogic, McGregor, Dembele pen, Ntcham pen
McCrorie sent off after bringing down Dembele for third
Rogic slots opener; McGregor punishes Martin mistake for second
Celtic face Motherwell in final on 19 May
GOAL Celtic 4-0 Rangerspublished at 77 mins
PENALTY FOR CELTICpublished at 77 mins
Rangers substitute Jason Holt fouls Patrick Roberts in the box and it's a second penalty for Celtic.
Sinclair misses outpublished at 76 mins
Celtic 3-0 Rangers
Scott Sinclair stretches Rangers down the left flank but the winger's cross is behind Moussa Dembele and Rangers are able to repel the danger.
Rangers' struggles continuepublished at 75 mins
Celtic 3-0 Rangers
Josh Windass speeds down the right for Rangers, closely followed by Callum McGregor. The latter gets a challenge in and the final touch comes off Windass for a Celtic throw.
10 undefeated for Rodgers v Rangers?published at 73 mins
Celtic 3-0 Rangers
Celtic boss Brendan Rodgers had won seven and drawn two of his nine previous meetings with Rangers since taking over in the East End of Glasgow.
With three more goals so far in the 10th, his side have now scored 24 to Rangers' six in their contests over this season and last.
Image source, SNSImage caption, Brendan Rodgers has not lost in his previous nine matches against Rangers
Changes for both sidespublished at 72 mins
Celtic 3-0 Rangers
A third and final Rangers change as Jason Holt replaces Graham Dorrans.
Patrick Roberts comes on for Celtic, with James Forrest making way.
Celtic supremacypublished at 69 mins
Celtic 3-0 Rangers
With a little over 20 minutes remaining, there's a bit of a lull in this pulsating cup tie. Following the blizzard of Alfredo Morelos chances, Celtic are once again enjoying the lion's share of possession without threatening Wes Foderingham's goal.
'Rangers have had chances' - Bonnerpublished at 67 mins
Celtic 3-0 Rangers
Pat Bonner
Former Celtic goalkeeper on BBC SportsoundQuote MessageCeltic will want to score more goals but first and foremost they will want to get back to dominating the ball. Rangers have had chances in the last 10 minutes.
Tempers fray at Hampden...published at 65 mins
Celtic 3-0 Rangers
Angry scenes as players from both sides clash following a locking of horns between Kieran Tierney and Alfredo Morelos. The Colombian is booked; as his team-mate Graham Dorrans for an earlier fresh-air swipe at Callum McGregor.
Celtic captain Scott Brown is also booked as referee Bobby Madden's pen does a bit of overtime.
Derby destructionpublished at 62 mins
Celtic 3-0 Rangers
Martin Dowden
BBC Sport Scotland at HampdenHow bad is this going to get for Rangers?
Even Craig Gordon is getting in on the act with three superb saves to the delight of the Celtic support.
This might end up a horror story if it isn’t already.
Celtic are undoubtedly heading to the final and could not have hoped for a better showing on the way.
This is a reminder for Rangers just how much work is required to bridge the gap.
The Ibrox side have been utterly exposed.
Celtic changepublished at 61 mins
Celtic 3-0 Rangers
James Forrest drags an effort wide as Celtic look for a fourth goal of this Scottish Cup semi-final.
Tom Rogic's afternoon's work is done. The Australian is replaced by Scott Sinclair as Brendan Rodgers freshens up his side.
What a miss...published at 58 mins
Celtic 3-0 Rangers
Pat Bonner
Former Celtic goalkeeper on BBC SportsoundQuote MessageThat's an incredible miss from Morelos, although Celtic are creating their own problems. They should've defended the cross better. Slackness is the only thing that's going to cost Celtic goals in this game.
CLOSE!published at 15:47 British Summer Time 15 April 2018
Celtic 3-0 Rangers
Incredible scenes. Craig Gordon denies Alfredo Morelos for a third time after Mikael Lustig's It's A Knockout-style sclaffed comedy clearance comes back off the bar and into the Colombian's path.
Morelos appeared slow to react and will be disappointed he didn't bury that chance. The Celtic keeper is proving the scourge of the Rangers striker.
Gordon so vitalpublished at 55 mins
Celtic 3-0 Rangers
Pat Bonner
Former Celtic goalkeeper on BBC SportsoundQuote MessageAn incredible save. That's why he's in the team. Great header from Morelos but Gordon does so well.
GREAT SAVE!published at 54 mins
Celtic 3-0 Rangers
Craig Gordon denies Alfredo Morelos with two incredible saves. The Colombian, who has yet to score in an Old Firm derby, has his head in his hands.
The Celtic goalkeeper thwarts 10-man Rangers and the chance to reduce the deficit.
Cheeky finish from Frenchmanpublished at 15:42
Celtic 3-0 Rangers
Pat Bonner
Former Celtic goalkeeper on BBC SportsoundQuote MessageIt's a critical goal and what a cheeky little chip to finish from Dembele. He almost strolled up to the ball, let Foderingham make his move and then he goes.
Another Rangers changepublished at 52 mins
Celtic 3-0 Rangers
Rangers make their second substitution as Bruno Alves replaces Daniel Candeias.
GOAL Celtic 3-0 Rangerspublished at 51 mins
Moussa Dembele
It's three for Celtic as Moussa Dembele dinks home from the spot, sending Wes Foderingham the wrong way for his seventh goal in nine games against Rangers.
RED CARD Rangers defender Ross McCroriepublished at 49 mins
Rangers are reduced to 10 men as Ross McCrorie pulls down Moussa Dembele and concedes a penalty.
Referee Bobby Madden gives the defender his marching orders; Dembele will take the penalty.
YELLOW CARDpublished at 48 mins
Celtic 2-0 Rangers
Midfielder Greg Docherty earns an early Rangers corner in front of their supporters. Daniel Candeias whips the ball in but Celtic clear.
Docherty is then booked for pulling back Callum McGregor and stopping a Celtic counter attack in its tracks.