Root was on his way to a 16th Test century when he responded to an outburst from Gabriel by telling the Windies paceman 'don't use it as an insult... there's nothing wrong with being gay'. "There's nothing wrong with being gay".
'As a player you feel you have responsibilities to uphold on the field and I stand by what I did.
The West Indies cricketer is accused of breaching Article 2.13, which involves "directing language of a personal, insulting, obscene and/or offensive nature" at a player or official.
"The ICC have got to handle things and I am not in a position to comment but throughout the series it has been played in the right manner between the two sides", he offered. He was however spoken to by one of the on-field umpires about his language.
"It's Test cricket, he's an emotional guy trying to do everything he can to win a Test match. sometimes people say things on the field that they might regret, but they should stay on the field", he said.More news: All-Star game marks latest milestone for Michael Jordan
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Speaking after finishing day three 111 not out, Root gave a measured assessment of the on-field exchange.
A statement from the ICC said: "During the third day of the St Lucia Test against England on Monday, Gabriel was found guilty of breaching article 2.13 of the ICC code of conduct. which relates to "personal abuse of a player, player support personnel, umpire or match referee during an worldwide match", following an incident with Root".
Nasser Hussein, the ex-England captain, also paid tribute to Root by tweeting: "I don't know who said what to whom. but boy do I applaud Joe Root's reaction here". He's had a wonderful series and he should be proud.
Root himself has not publicly stated what Gabriel said to him and after the end of the third Test - which England won by 232 runs - he said he did not want to incident to overshadow the series.
West Indies coach Richard Pybus wasn't aware of the incident, but suggested he would take action is they were found to be "untoward". Davies said on her Twitter account.