Gleision mine disaster: Families still want answers
The families of four miners killed in the Gleision colliery disaster say they are still waiting for answers about what happened.
Charles Breslin, Philip Hill, Garry Jenkins and David Powell died when the Swansea Valley mine flooded.
A year on, their families have spoken about their pain at discovering the men had died and their ongoing grief.
Police investigating the incident say they have handed a file to the Crown Prosecution Service.
In a special BBC Wales Week In Week Out programme, the miners' relatives say they still do not know exactly how and why the men died.
Tim Rogers reports.