Social networking site Twitter has clarified its rules on abusive behaviour amid an increasing backlash over so-called "trolls".
The company has updated its rules to make it clear that abuse will not be tolerated, and has put extra staff in place to handle reports of abuse, it said today.
Stella Creasy was targeted after giving public support to a feminist campaigner who had herself received such abuse on Twitter
More top news
The Met Office is forecasting freezing fog for parts of London tomorrow and on Tuesday
Fans of George Michael have started a petition for a tribute bench on Hampstead Heath in his memory
Police have warned the public not to approach a 'dangerous' man after a woman was stabbed in Mitcham in south London.