VAR

Premier League says VAR improves accuracy and is less disruptive than in Europe

Kalulu "wrongly" sent off, says referee designator apologising after controversial call

The fallout from the decision saw Michael Salisbury, the VAR official for the fixture, stood down for the Liverpool vs Arsenal game

PGMOL has admitted the error after Josh King's strike was chalked off against Chelsea

Monday's incidents added to the growing debate surrounding refereeing in Spain

Those in charge of Italian football have spoken recently of the possibility of introducing a VAR on call system