Hospital authorities in southern Poland say a coal miner who suffered burns from a colliery methane gas fire has died.

Hospital authorities in southern Poland say a second miner has died from injuries suffered in a fire at a coal mine this week.

Polish paramedics treated 16 injured coal miners on Wednesday after methane ignited in a mine in southern Poland, the ambulance service said. Operator JSW said the gas had ignited in the Knurow-Szczyglowice mine at a depth of more than 850 metres.