Over 12,000 people have signed a petition calling for Twitter to have a "zero tolerance policy on abuse" and "to recognise its current reporting system is below required standards".
The petition was set up after feminist campaigner Caroline Criado-Perez was allegedly targeted with violent abuse and rape threats.
Criado-Perez successfully drove the campaign for women other than the Queen to feature on English banknotes.
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Results of the public vote will be announced on Sunday evening, a day after the contestants put on their best "diva"-inspired show.
Most parts will see plenty of dry and fairly bright weather today
Anyone who violates the ban will be fined up to 25 million Iraqi dinars (£17,000).