(CNN) -- At least 15 people have been killed in an explosion in a village in southern China's Guizhou province as they gathered to gamble, China's state-run Xinhua news agency reported, citing local officials and police. Eight people were injured in the blast, which occurred on a remote mountain slope in Laoshan village, near the city of Kaili on Monday afternoon. They were in a stable condition on Tuesday. Xinhua said that eight suspects had been detained, including three who surrendered themselves to local police. The cause of the blast wasn't immediately reported. An investigation was under way, according to Xinhua. In November: Pipeline explosion kills 44 near Chinese port city .
15 people have been killed in an explosion in a village in southern China . Victims had gathered at site to gamble . Cause of explosion is being investigated; 8 people have been detained . Eight injured are said to be in stable condition .