New Delhi: Delhi-based journalist, Swati Chaturvedi, has lodged a complaint against an anonymous Twitter user, accusing him of "defamation" and "character assassination" on the social networking website.

Chaturvedi lodged a complaint yesterday at the Vasant Vihar police station where she claimed that @LutyensInsider has been continuously posting defamatory and sexually explicit tweets about her and Congress vice-president Rahul Gandhi.