Turkey miner on explosion aftermath: 'It was mayhem'
More than 240 miners are now known to have died in an explosion in the Turkish city of Soma, and many remain trapped underground.
Most of the victims were poisoned by carbon monoxide after a power unit blew up underground, shutting down ventilation systems.
BBC Turkish's Sinan Onus spoke to Turkish miner Yasin - who managed to come out alive - and his father Ali, who is a retired miner.