Van Dijk Charged by FA for Improper Conduct After Red Card Against Newcastle

Van Dijk shown straight red card for foul on Newcastle's Alexander Isak.
Incident reviewed by VAR; van Dijk appeared to argue with referee John Brooks.
FA alleges van Dijk acted improperly and used abusive/insulting words after being sent off.
Van Dijk has until Friday to respond to the improper conduct charge.
Original red card was for a foul during Liverpool's Premier League match vs. Newcastle.