Disappointed Hearts boss Robbie Neilson reckons there are issues that must be ironed out with VAR despite being awarded two penalties.
The new system took centre stage on a dramatic day at Tynecastle with Celtic sub Greg Taylor stepping up to net the decisive goal during a seven-goal thriller, but Neilson wasn't satisfied with the delay for two penalties awarded to his side.
Cammy Devlin was caught by Cameron Carter-Vickers in the first half when Nick Walsh went to the screen, before Lawrence Shankland stepped up to slot home from the spot.
VAR would be at the centre of Hearts goal action when Shankland was ordered to retake his penalty for encroachment after Josh Ginnelly had slotted home the rebound.
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