Turkey is dealing with the worst mining disaster in the country's history -- one that has a long list of deadly accidents.

The mining disaster that killed at least 274 workers in Turkey has underscored the health and safety problems in the country's mining sector. Here's a Q&A that explains some of the biggest problems with mining in Turkey.

Anger and grief boiled over into a violent protest Wednesday in the western Turkish town of Soma, where officials said at least 245 miners died in a coal mine explosion and fire.