Turkish Energy Minister Taner Yildiz has called the situation inside the Soma mine "worrisome" and said rescue efforts "must be completed by the morning."
"Time is working against us," Yildiz said, adding that some 400 rescuers were involved in the operation near to 420 meters deep inside the mine.
"We are faced with carbon dioxide and carbon monoxide poisoning," he said.
More top news
A vicar who was diagnosed with HIV after being attacked two years ago has created a powerful video to share her story with her congregation.
A man miraculously survived being shot near his home with a sawn-off shotgun when his mobile phone took the brunt of the blast.
A video of basketball player's daughter has gone viral after the cute two-year-old turned on the charm to eclipse her superstar dad.