Video Assistant Referee causes controversy every week in the Premier League, but how are decisions made, and are they correct?
After each weekend we take a look at the major incidents, to examine and explain the process both in terms of VAR protocol and the Laws of the Game.
In this week's VAR Review: How Arsenal's penalty against Newcastle United was overturned. Why Brentford's Nathan Collins escaped a red card against Manchester United. Plus, should Liverpool's goal against Crystal Palace have been ruled out for a Mohamed Salah handball, and were Brighton & Hove Albion wrongly denied a penalty at Chelsea?