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.
More top news
A group of 170 thrill-seeking Americans have travelled to East Anglia to try out the region's biggest rollercoasters.
A former gambler from Cambridge has spoken out after losing nearly £200,000 on betting machines.
A photographer who captures precious memories for families with seriously ill children has now been praised by the Prime Minister.