A desperate mother sits by the phone at her home in east London for news of her son who went missing 29 years ago.

Ann Tunstall has never given up hope that her boy Darren will be in touch in time for Christmas.

Police looking for him at the time he vanished drew a blank and eventually the trail went cold. But detectives have now released an artist’s impression of what they believe Darren Tunstall might look like at, aged 45, as his mother appeals to him to call home.

Darren Tunstall who vanished in east London 29 years ago