The bbc article opens withHow are you certain? She is in breach of suspended sentence but until she's in prison it may not happen. Sentencing will take place take month.
And later says:A driver filmed screaming obscenities at BBC presenter Jeremy Vine as he cycled through London has been jailed after losing an appeal against her conviction for threatening behaviour.
Pearson was jailed for nine months following the appeal hearing at Isleworth Crown Court.
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