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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More than 4,600 academics have signed a letter calling for an inquiry into the death of PhD student Giulio Regeni in Cairo last month.
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As the number of whales dying on our beaches rises, we've spoken to an Evolutionary Biologist about why this tragic event keeps happening.