Sentencing Twitter abuse pair Isabella Sorley and John Nimmo, Judge Howard Riddle said it was "hard to imagine more extreme threats."
The pair admitted sending a series of abusive message to feminist campaigner Caroline Criado-Perez.
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Merseyside Police are hunting convicted murderer Shaun Walmsley after two armed men helped him escape custody while on a hospital visit.
An ITV News investigation into the Deliveroo food service has revealed evidence of unsafe training and pay being docked for toilet breaks.
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