A team of senior doctors, nurses, and patient representatives are monitoring a hospital in Essex.
Colchester General is one of 14 trusts across the UK whose mortality rates have been higher than expected over the last two years.
The two day review will see the team interview both patients and staff. The findings should be released in a few weeks.
More top news
An 8 year old girl has been left terrified of her own home in Colchester after she was bitten by a spider and ended up in hospital.
Remaining cold and dry. Dense mist and fog across the region tonight
Students at a college in Norfolk have been given a graphic demonstration of the 'four' dangers of driving on the region's roads.