The mother of a 15-year-old boy who suffered brain damage when he fell at school a decade ago has praised his recent progress thanks to a specialist centre in Cambridge.

Zack Cohen, from Hertfordshire, damaged the blood vessels around his brain in the fall and died twice in hospital in a single day, but managed to survive.

Mum Kat Adams said Zack once struggled to walk and hit her daily, but has made such progress he has been confident enough to go to the shops on his own and bake cakes.

You can watch the full story on Inside Out, on BBC One in the East on Monday at 19:30.