Scottish Premiership: Celtic close gap after Hearts held by Dundee United

Tierney strikes as Celtic defeat Kilmarnock 4-0Rangers beat Dundee for third straight league winKieran Tierney scored his first Celtic goal in seven years as the Premiership champions cut the gap on leaders Hearts to seven points with a 4-0 home victory against Kilmarnock. The left-back, who scored on his final Arsenal appearance in May, drilled in from 25 yards to double Celtic’s lead six minutes into the second half...