Benjamin Nygren struck twice as Celtic won 4-2 at Livingston after twice equalising in a frantic opening 10 minutes, a result that reduced Hearts’ lead to three points on the back of their lunchtime defeat at Hibernian.The left-back Cristian Montano twice put Livi ahead, only for Nygren and Yang Hyun-jun to equalise. The Sweden midfielder put Celtic in front in the 31st minute and an Arne Engels penalty gave them some breathing space before the break.Bottom-placed Livingston, who have gone 17 matches without a win, continued to trouble Celtic’s back three but Wilfried Nancy’s team did enough to seal a second consecutive win. Montano’s first came inside three minutes after a mistake by Kieran Tierney, but Nygren levelled after a corner. Montano soon made it 2-1, lashing in Scott Pittman’s cross after letting it bounce, but Yang emerged with the ball from a goalmouth scramble and knocked it over the line.Just after the half-hour a long spell of possession ended with Nygren whipping a shot in off the far post after receiving Tierney’s pass just inside the box. Celtic were then handed a 39th-minute penalty when Matthew MacDermid was sent to the monitor by the video assistant referee and ruled that Engels’ corner had struck the arm of Daniel Finlayson as the defender tried to head clear. The Belgian sent Jérôme Prior the wrong way from the spot.The Celtic manager, Wilfried Nancy, said: “Difficult game to play regarding the context, regarding the pitch, regarding the opposition. I really liked the competitive spirit that we had.”Raphael Sallinger made two crucial stoppage-time saves as Hibernian held off a late fightback from Hearts to defeat the leaders 3-2 at Easter Road.Hibs were three up and seemingly coasting early in the second half after Kieron Bowie added to first-half goals from Jamie McGrath and the substitute Josh Campbell. But Hearts hit back through Lawrence Shankland and Cammy Devlin, setting up a grandstand finale in which Shankland and Beni Baningime were denied by Sallinger, as Derek McInnes’s side suffered their second league defeat of the season.Kieron Bowie scored what proved to be Hibernian’s winner. Photograph: Mark Runnacles/Shutterstock“I’m delighted to get over the line in the end,” said David Gray, the Hibs manager. “Everything I asked the players to do, they did, and we found ourselves 3-0 up. I’m really pleased with how we started the second half as well. This is the halfway point of the season, so we need to use this as a big opportunity and use all the positives from today to really kick on.”The Hearts manager, Derek McInnes, said: “We didn’t do the basics well enough, it’s as simple as that.”Rangers leapfrogged Motherwell into third with Thelo Aasgaard scoring the only goal of a lively game at Ibrox. Jack Butland in Rangers’ goal and his Well counterpart, Calum Ward, both made fine saves before and after the Norway international broke the deadlock in the 67th minute with a tap-in to end the Steelmen’s eight-game unbeaten run.Rangers are nine points behind Hearts with a game in hand, six behind Celtic and two ahead of Motherwell, who had their chances to take something from Govan.Thelo Aasgaard scores the only goal as Rangers beat Motherwell. Photograph: Andrew Milligan/PANico Raskin had the ball in the Motherwell goal from a Djeidi Gassama cutback two minutes into the second half but the goal was disallowed for offside, with the Rangers striker Youssef Chermiti obstructing Ward. However, when Ward could only parry Gassama’s curling shot from inside the Motherwell box, after he had fashioned a yard of space, Aasgaard was on hand to slide the ball in from a couple of yards for his second Rangers goal.Danny Röhl, the Rangers manager, said: “I’m not looking too much to the data, but if you have 28 shots, a lot of big opportunities, three against one, four against one situations, you have to close the game.”His counterpart, Jens Berthel Askou, was baffled by the lack of a penalty in the second half when Lukas Fadinger went to ground while going past Emmanuel Fernandez. Play went on and the referee, David Dickinson, was not asked to look at his pitchside monitor by the VAR.“There’s something I will take with me into my grave, not understanding how we don’t get a penalty at the end,” he said. “He clearly tripped Lukas going free on an open goal.”Dundee secured a potentially precious 1-0 win over Falkirk at Dens Park thanks to a first-half penalty by Yan Dhanda. Falkirk enjoyed plenty of possession but could not capitalise even when the home substitute Simon Murray was sent off late on. Once the dust had settled, Dundee were still in 10th place but three points ahead of Kilmarnock – held 0-0 at St Mirren – and seven in front of Livingston.There was a huge moment of controversy in the 24th minute at Dens Park when Duncan Nicolson showed a straight red card to Falkirk’s captain, Brad Spencer, for a challenge on Dundee’s Ash Hay. However, after being asked to review the incident by the VAR, Nicolson changed his mind and showed Spencer a yellow card.In the day’s late kick-off, Aberdeen and Dundee United shared a 1-1 draw at Pittodrie. Neither side could produce a winner in a contest in which the hosts dominated possession but were matched in terms of efforts on goal. United took the lead against the run of play in the first half when Amar Fatah outmuscled Nicky Devlin before curling home. Aberdeen levelled on the hour thanks to Jesper Karlsson’s close-range finish.