Video: Watch our report on remarkable Hayley Okines, who's died at 17

Hayley, aged 4, with Billie Piper Credit: PA

Thousands of tributes have been paid to Hayley Okines, the progeria campaigner who has died at the age of 17.

Her rare genetic condition meant that she aged very quickly, but she spent much of her short life raising awareness of the condition.

Hayley aged 4, with Billie Piper Credit: PA

Today, thousands of comments have been left on social media, praising Hayley's courage and inspiration. Nia Mason looks back at her life