“It is not a safe place,” Henry added. “[Crystal Palace forward] Wilfried Zaha says when he goes on social media he is scared to look at the comments, it should not be like that. It should not be like you feel you should not do something.
“I think everybody should be concerned about what’s happening. All I’m saying is, ‘can it be a safe place?’ At the end of the day it is a great tool and is vital and a great way to connect with your fans, or to put out a statement to rectify something.
“But it is too easy for the people who are trying to harm people to get away with it and hide behind fake accounts. For me it is about accountability.”
Twitter has said it is “committed to Kick It Out’s initiative to tackle online hate, and look forward to continuing these discussions and developing solutions with our partners in football”.
Instagram, which is owned by Facebook, said it took action on 6.6 million pieces of hate speech between October and December last year and will “take tougher action when we become of aware of people breaking our rules in DMs [direct messages]”.