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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The Ukip leader confirmed he had "no prior warning" of Douglas Carswell's resignation from the party as he hit out at the "staunch Tory".
Another fine sunny day.
Mothering Sunday will stay dry with plenty of sunshine. A cool easterly breeze will take the edge off coastal temperatures. Highs of 15°C.