Turkey's Prime Minister Tayyip Erdogan (2nd L) visits the coal mine accident site in Soma, a district in Turkey's western province of Manisa. REUTERS/Kayhan Ozer/Prime Minister's Press Office/Handout via Reuters

Soma - Turkish Prime Minister Recep Tayyip Erdogan said on Wednesday that a mine accident will be “investigated thoroughly” as he announced the death toll had risen to 238.

“The accident is being investigated thoroughly. We will not allow any negligence,” Erdogan said after visiting the site of the mine explosion in the town of Soma in western Turkey.