The number of patients on hospital wards in England has been at unsafe levels at nine out of 10 NHS trusts this winter, BBC analysis shows.
To minimise the risk of infections and delays in getting treatment, hospitals are meant to have no more than 85% of beds occupied.
But the analysis showed 137 out of 152 hospital trusts have been above that level since the start of December.
NHS bosses said hospitals had major problems discharging frail patients.
One experienced hospital boss described some of the weeks this winter as the “worst” he had seen in his career.
Full story in BBC News 6 February 2017