Several female journalists have received a threatening tweet telling them that a bomb has been placed outside their homes.
The Metropolitan Police have confirmed that they have received a complaint relating to threats made on Twitter and that enquiries are continuing but have not yet made any arrests.
The Guardian claims the journalists targeted include Hadley Freeman from the paper, Grace Dent, a columnist for the Independent and Catherine Mayer, Europe editor of Time magazine.
According to the Guardian the tweet read: "A BOMB HAS BEEN PLACED OUTSIDE YOUR HOME. IT WILL GO OFF AT EXACTLY 10:47PM ON A TIMER AND TRIGGER DESTROYING EVERYTHING"