A minute's silence has been held at the site of the school devastated by the Aberfan disaster, which killed 116 schoolchildren and 28 adults 50 years ago.
ITV News Wales Correspondent Rupert Evelyn witnessed the anniversary tribute at the site of Pantglas Junior School at 9.15am.
Philip Thomas doesn't like to dwell on the disaster that buried him alive - but he can still recall in detail how an unpaid debt saved him.
Eleven when she lost her younger sister in the Aberfan disaster, Denise Morgan recalls a time of confusion, guilt and "unbelievable grief".
Wales has fallen silent to mark the 50th anniversary of the Aberfan disaster, which cost the lives of 116 schoolchildren.