Supporters of bank note campaigner Caroline Criado-Perez have helped launch a hashtag campaign under #takebackTwitter, over claims the social media network is failing to deal with threats of sexual abuse made on its site.
#takebacktwitter I agree, better report system is needed. Too many times I have wanted to report something it's too long winded to even try
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Scotland Yard said the male youths will appear in custody at Westminster Magistrates' Court on Saturday.
Windy this weekend with gales across northwestern parts of the UK. Rain spreading southeast.
Greater Manchester Police said "inquiries are ongoing to fully understand the circumstances of the incident."