EXCLUSIVE: Up to third of beds in hospitals in Bristol and Coventry, Lancashire and Norfolk, and one in seven nationally are being taken up by bed-blockers, a startling MailOnline analysis reveals.EXCLUSIVE: Up to third of beds in hospitals in Bristol and Coventry, Lancashire and Norfolk, and one in seven nationally are being taken up by bed-blockers, a startling MailOnline analysis reveals.Read MoreHealth News | Mail Online