Sadie the assistance dog lends a helping paw to brothers Ben and Sam

  • Watch Katie Oscroft's report.

A family from Lincolnshire say Sadie their assistance dog has changed their lives.

Ben and Sam Rogers from Bourne have a rare life-limiting genetic disorder which gradually weakens their muscles.

Sadie, who was trained by the charity Dogs for Good, helps them by opening doors - and even fetching their socks.