UEFA have released their response.
https://www.uefa.com/insideuefa/about-uefa/news/newsid=2593061.html
This is actually insane:
When such a malfunction of the system occurs, the IFAB protocol allows for the VAR to describe to the referee what can be seen on the TV replay(s) but not tell him the decision that should be taken. The referee then makes a final decision based on his own perception and the information received orally from the VAR.
https://www.uefa.com/insideuefa/about-uefa/news/newsid=2593061.html
This is actually insane:
When such a malfunction of the system occurs, the IFAB protocol allows for the VAR to describe to the referee what can be seen on the TV replay(s) but not tell him the decision that should be taken. The referee then makes a final decision based on his own perception and the information received orally from the VAR.