Former Bradford City striker Stan Collymore has accused Twitter of "not doing enough" to combat abusive posts after he was targeted by internet trolls.
The former Bantams star said he had been threatened with murder and racially abused on the site.
Police are investigating a series of offensive messages that were posted after Collymore suggested Liverpool striker Luis Suarez cheated by diving during last Saturday's match against Aston Villa.
Collymore retweeted some of the abuse he has received since the match to his 503,000 followers and called on Twitter to take action.
He wrote: "In the last 24 hours I've been threatened with murder several times, demeaned on my race, and many of these accounts are still active. Why?
"I accuse Twitter directly of not doing enough to combat racist/homophobic /sexist hate messages, all of which are illegal in the UK."
He added later: "Several Police forces have been fantastic. Twitter haven't. Dismayed."
Later the 42-year-old said he was in contact with Staffordshire police about the abuse.
He tweeted: "Staffordshire Police coming, again. Just the 5th time. Pity twitter aren't interested.
"Police take all complaints seriously,whoever it is. I've waited 6 weeks for twitter to provide information to Police. Yet to respond."
West Midlands Police confirmed on its Twitter page that Staffordshire Police were investigating "alleged abusive tweets to Stan Collymore" and urged people to block and report abuse at www.report-it.org.uk.
A Twitter spokeswoman said the company was unable to comment on individual users.
However, she pointed out that targeted abuse was against its rules and the site had recently made it easier for users to report abusive messages to them.