Rescuers and medical staff work on the explosion site of an Internet Cafe in downtown of Kaili City in Miao-Dong Autonomous Prefecture of Qiandongnan, southwest China's Guizhou Province, Dec. 4, 2010. Six people were killed and 37 others injured in an explosion that ripped through an Internet cafe at around 10:30 p.m. on Saturday, according to local police. [Xinhua]