Tottenham star Son Heung-min during their clash with Manchester United last month.Four other men were interviewed under caution over "suspicion of using words or behaviour, or displaying written material with intent to stir up racial hatred".The Metropolitan Police launched their investigation after Son was subjected to racist abuse on Twitter during Spurs' 3-1 Premier League defeat at home to United on April 11.The messages were first detected by United's own online reporting tool before being flagged to police in Manchester.Police then worked closely with national colleagues, social media companies and both of the football clubs involved to identify the anonymous users and track them down.Detective Sergeant Matt Simpson from the Met’s.
Read more on dailystar.co.uk