Both Norwich City and Newcastle United have been charged by The FA for failing to ensure their players conducted themselves in an orderly fashion and/or refrained from provocative behaviour.
The charge relates to an incident in or around the 82nd minute of their match on Tuesday 28 January 2014.
The clubs have until 6pm on Wednesday 5 February 2014 to respond to the charge.
Watch The FA's Rulebook Analysis for more information on the regulations surrounding mass confrontations.
The FA's Rulebook Analysis