The police have been called to investigate claims Yaya Toure was racially abused within hours of reactivating his Twitter account. The Manchester City midfielder, rejoined following City's derby day victory over United.
He wrote: "Great to be back on twitter after a good win yesterday. Now my focus is on the next game... Happy Monday everyone!!" Within hours of posting the message, the 31-year-old received abusive and racist messages from other Twitter accounts.
It prompted fury on the social networking website which was spotted by Toure, who favourited three tweets which supported him and called for action.
Posters complained to both GMP and the Metropolitan Police on Twitter. A spokesman for GMP said it was aware of the message and would be looking into the matter further.
Toure quit Twitter during earlier this year, saying he wanted to concentrate on the World Cup.
The mother of a murdered Liverpool teenager will lead a Walk of Remembrance through the city centre later.
Gee Walker's son Anthony was killed in a racially-motivated attack in 2005.
The walk is part of the city's Slavery Remembrance Day.
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Former Manchester United defender Viv Anderson believes Ferdinand was wrong to against Ferguson.
Anderson, who became England's first black international when he played against Czechoslovakia in 1978, does not feel the United boss should have been put in such a position.
"I don't agree with Rio," Anderson told MUTV.
"You can see the manager was fuming and clearly he didn't know anything about it.
"He expects his senior boys to set an example. He is the manager. If he says we are all doing it together, it should be the end of the story.
"But Rio has gone the other way.
"I don't see where he is coming from and I don't know what it is going to achieve."
The row comes at the end of the week which has seen the ugly issue of racist abuse again come to the fore following the scenes at the England Under-21 match in Serbia.
Rio Ferdinand is facing a fine of up to £220,000 after refusing to support the anti racism charity Kick it Out. Before their 4-2 win over Stoke yeaterday boss Sir Alex Ferguson insisted all his players would wear shirts made by the charity as part of a national campaign.
Rio and several other players boycotted it - claiming not enough is being done to stamp racism out of the game. Sarah Rogers has more:
Manchester United's Rio Ferdinand refused to wear a t-shirt supporting the Kick It Out anti-racism campaign before their game with Stoke.Read the full story ›