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
More top news
A Luton man is facing jail after he told an undercover officer he would blow himself up in Britain if he could not fight for Islamic State.
We preview Sunday's East Anglian derby as Ipswich Town and Norwich City prepare to renew rivalries at Portman Road.
A blustery day with outbreaks of rain through the morning. It will brighten up during the afternoon but there will be a risk of showers.