Meet survivors Erin, Caitlin and mum Annette. Katie Thistleton takes them back to the arena where they read letters they’ve written to themselves of the bombings.

Erin and Caitlin from Lancashire were 11 and 14 when the bomb exploded.

Featuring the song “22 Reasons to Live” by Alexis Wade / Darren Martyn. Alexis had her singing lessons paid for by Liv’s Trust – a fund set up by the family of 15 year old Olivia Campbell Hardy who died in the attack.

You will hear eye witness accounts, details of mental health, and post-traumatic stress. A list of organisations that can provide help and support is available at bbc.co.uk/actionline.

Originally broadcast on BBC Radio Manchester.

Producers: Sara Dumbell, Andy Bell, Kate Squire.

Editors: Andy Bell, Liam Bradford.

Online producer: Rachael Smith.

Executive Producer: Kathryn Morrison.