Stan Collymore speaks out over Twitter abuse - video
Sports pundit and commentator Stan Collymore calls on Twitter to do more in tackling internet trolls after receiving racists tweets and a death threat. The ex-England striker says it wasn't the first time he has been the subject of online abuse. West Midlands police confirmed that Staffordshire police were investigating the incidents and urged people to block and report abuse at www.report-it.org.uk