The Zoo has been following the work of the Zoological Society of London and this evening it looks at the ground-breaking work being done at the Bedfordshire attraction involving chimps and heart surgeons.
Click above to watch ITV News Anglia's Olivia Paterson report
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Tonight will be chilly with lows of 3 deg C ( 37 deg F ) but tomorrow will be generally fine and sunny.
A man has been left with life-changing injuries following a crash in Essex in which five people were hurt.
A seven year old girl has died after being pulled from a swimming pool near Beccles. She was taken unconscious to hospital but later died.