'Surviving Aberfan: Their Dark Secret'

On 21st October 1966, a tragedy took place in the small village of Aberfan that would be engrained as one of the darkest days in Welsh history.

144 people - including 116 children - were killed in a devastating landslide when a colliery spoil tip gave way and engulfed their primary school along with a farm and a row of terraced houses.

On the 50th anniversary of the Aberfan disaster we hear from some of those who survived.