Funds raised will help to pay for research into a vaccine for Type 1 diabetes as well as aiming to identify the 850,000 people in the UK who could be at risk from the condition.
Every year 24,000 people with diabetes die earlier than expected in England and Wales.
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Armed police have carried out a raid apparently linked to Wednesday's deadly terror attack in Westminster.
Cheryl Grimmer vanished from inside a beach shower block in Wollongong, Australia, in 1970, when she was just three.
Pc Keith Palmer was on the front line and because of his actions, the Westminster attacker was unable to kill anyone else.