The jury in the trial of a trainee dental nurse from Bedfordshire -accused of trying to poison her own boss - has been discharged after failing to reach a verdict.
34-year-old Ravinder Kaur is accused of lacing a coffee she made with mercury amalgam, a substance used to make fillings in teeth.
There will now be a retrial at a later date.
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With the cold weather expected to last for at least the next five days, the Met Office has issued various snow and ice warnings.
Cold but dry and bright this afternoon followed by a risk of icy stretches tonight.
Colchester General Hospital has been branded inadequate by the Care Quality Commission. It follows an inspection on 12 November 2014.