Leeds United and West Yorkshire Police are to review an incident during which Newcastle United fans say they were involved in a "frightening" crush at Elland Road on Saturday.
Fans were left "terrified" before the Magpies' 1-0 win when four turnstiles - designed to let in almost 2,700 supporters - stopped working.
There were no reported injuries.
But angry witnesses said stewards and police failed to respond to an incident which lasted more than 30 minutes.
One fan, Steve Wallwork, told BBC Sport "somebody could have been badly hurt" and described some stewards as an "absolute disgrace" for laughing at the situation.