David Elston is known as "swan man" having cared for the birds for more than 40 years Motorists are being urged to drive carefully after more than 150 swans descended on a field that backs on to a ...

David Elston, from Boston in Lincolnshire, has cared for the bird for more than 40 years and is known as the "swan man" by locals. The 70 year old said he is "worried all the time" about their safety.