The tragedy that haunted the late queen: Fire service photos of Aberfan disaster that killed 116 children and 28 adults are revealed for first time ahead of 60th anniversary

After three weeks of heavy rainfall, at 9.15 am, on October 21, 1966, coal tip No.7 collapsed, sending 150,000 tonnes of slurry barrelling into the primary school and 19 homes in Aberfan.