A bomb blew up in a Carrefour supermarket in Shenzhen, southern China’s Guangdong Province, the Nanfang Metropolis News reported yesterday. The bomber or bombers made undisclosed demands, and police classified the case on Monday afternoon as blackmail, the Guangzhou-based newspaper said. Three other supermarkets were threatened. Nearly 1,000 customers were evacuated at Carrefour as dozens of policemen cordoned off the scene and searched for other bombs. Police later detonated a second bomb found in the store, the report said. Full Story