Crystal Palace winger Wilfried Zaha called out racial abuse on Twitter as three English Football League clubs reported alleged racist incidents on Saturday.
Zaha was brought down by Newcastle United's DeAndre Yedlin for Luka Milivojevic's decisive penalty in a 1-0 Premier League win.
After the match, Zaha shared a subsequently deleted tweet calling him a "diving monkey".
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On the same day, lower league clubs made headlines due to other incidents.
Brentford confirmed a season ticket holder was arrested after their 3-3 draw with Derby County at Griffin Park on suspicion of a racially aggravated public order offence.