Ten miners are trapped underground following a fire that broke out on Tuesday in a sulfur mine in northwest China's Shaanxi Province, local authorities said. The mine, located in Chengcheng County, caught fire around 2 p.m. while 28 miners were working underground, Xinhua quoted a statement from the county's publicity department as saying. Eighteen of the miners have been rescued and are being treated at a local hospital. Efforts to rescue the trapped miners are under way.