At least seven people were killed and 31 injured after three separate bomb blasts rocked China over the weekend, including one at a Carrefour shopping center in central Wuhan city, state press reported Monday. Four people were killed and 23 injured in central China’s Hubei province when an explosion occurred as firemen and medical workers were trying to fight a blaze at a government institute early Sunday morning, the China Daily said on its website. The blast occurred in the middle of the night in the city of Yichang, close to the massive Three Gorges Dam on the Yangtze River. Emergency rescue workers had been called to fight the blaze at a two-storey dormitory building of a company belonging to the Hubei geological survey team, the report said. While firefighters fought the blaze and medical workers began treating residents in the dormitory, a sudden explosion sent firemen and rescue personnel sprawling to the ground. “Suddenly an unidentified person threw some kind of explosive into the scene,” the report, citing eyewitnesses, said. Full Story