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TAIYUAN, May 15 (Xinhua) -- China's police chief urged local authorities to mobilize social forces to secure a safe environment for kids after a series of attacks on students over the past two months.Meng Jianzhu, minister of public security, made the call during his visit to kindergartens and primary schools in northern Shanxi Province from Thursday to Saturday.To protect the safety of children is the primary task of schools, but also a common responsibility of the whole society, Meng said, urging the mobilization of social forces to ensure security in kindergartens and schools. A policeman stands guard as pupils leave the school in Hanzhong City of northwest China's Shaanxi Province, May 14, 2010. A string of school attacks shocked China in recent weeks. Police have been ordered to beef up security at school compounds and nearby residential communitiesEfforts should be made especially to ensure security in schools in remote areas so that "every kid is safe when they are in school," Meng said.He also urged local officials to care for the needy groups.Brutal attacks on children over the last two months in China have left 17 killed and scores injured. In the latest atrocity, a 58-year-old man killed seven children and two women with a meat cleaver at a kindergarten in northwestern Shaanxi Province on May 12.

GUANGZHOU, April 18 (Xinhua) -- China's trade volume will reach 5.3 trillion U.S. dollars by the year 2020, Li Gang, a researcher at the Chinese Academy of International Trade and Economic Cooperation under the Ministry of Commerce, said Sunday.Li made the remakes at the ongoing 107th China Import and Export Fair, the country's largest trade fair, held in the southern city of Guangzhou.According to Li, China's merchandise imports and exports will hit 4.3 trillion U.S. dollars in 2020.Merchandise exports will top other countries and be 2.4 trillion U.S. dollars in 2020, 10.1 percent of the world total.Imports will reach 1.9 trillion U.S. dollars and rank second largest, accounting for 8.2 percent of the world total.Weighed down by the global financial crisis, the nation's foreign trade recorded a 13.9 percent year-on-year decline to 2.2 trillion U.S. dollars in 2009, with merchandise exports of 1.2 trillion U.S. dollars and imports of 1 trillion U.S. dollars.In the first quarter, foreign trade began to grow again, jumping 44.1 percent to 617.85 billion U.S. dollars, according to customs data.

XIANGNING, Shanxi, April 2 (Xinhua) -- Rescuers Friday sent food and messages of hope to miners who have been trapped for five days in a flooded north China coal mine.The rescue team sent 360 bags of glucose, each 200 ml, down the 250-meter Wangjialing Coal Mine in Shanxi Province after hearing banging on a metal pipe.Pan Zengwu, deputy chief of the Shanxi provincial coal geological bureau, said rescuers heard what they believed to be the trapped miners making the noise at 2:15 p.m..The rescuers knocked on the drill pipe to respond, Pan said.A rescuer tears up a bag of glucose by his teeth at Wangjialing Coal Mine, which straddles Xiangning County, of Linfen City, and Hejin, a county-level city within Yuncheng City, north China's Shanxi Province, on April 2, 2010. Rescuers on Friday heard the sound of knocking on pipes at the flooded mine where 153 miners have been trapped for five daysHe said the rescue team sent 360 bags of glucose, each 200 ml, down the 250-meter pit.Rescuers have been drilling holes to pump out water and send down food.An iron wire was found attached at the end of a drill pipe when it was lifted to the surface at 3 p.m..Pan said this was apparently tied on by the trapped miners.Rescuers tried again to make contact with the miners by shouting through the pipe and knocking on the pipe at about 6:02 p.m. and 6:10 p.m. after they sent more bags of glucose down the pit.After a period of silence, Xinhua reporters at the site clearly heard several sounds of tapping on the pipe from underground."It is a good news. So long as they are still alive, it is all worth it for us to work even harder," said a rescuer surnamed Liu from central Henan Province.With glucose, rescuers sent a plastic bottle containing two short letters, a ballpoint pen and paper down the pit. They also sent down a special phone for use in mines.One letter said: "Dear fellow workers, the Party Central Committee, the State Council and the whole nation have been concerned for your safety all the time... All of us are very happy about the message of life you have conveyed, and are racing the clock and going all out to save you. You must have confidence and hold on to the last!"The other said: "Dear brothers, please wait in patience... The water will be soon drained. You must hold on and on! How about the gas and ventilation underground? What do you need us to do? Please tell us..."About 3,000 rescuers are struggling to pump water and reach the trapped miners.The water level underground had dropped by 3.3 meters by 4 p.m. Friday after a total of 66,000 cubic meters of water had been pumped from the shaft, said Liu Dezheng, a spokesman of the rescue headquarters and deputy director of the General Office with the Shanxi Provincial Work Safety Committee, at a news conference late Friday.Altogether 14 pumps were pumping up to 1,935 cubic meters of water per hour, he said, adding rescuers were installing one more pump.Rescuers said the trapped miners were working on nine different platforms, and four platforms had not been totally submerged, making it possible that some workers could have survived.The flooding happened at about 1:40 p.m. Sunday when underground water gushed into the pit of Wangjialing Coal Mine, which was under construction. Altogether 261 miners were working underground, and 108 were lifted safely to the surface.Rescuers said the flooding took place when workers digging tunnels broke through into an old shaft filled with water.The mine, which straddles Xiangning County, of Linfen City, and Hejin, a county-level city within Yuncheng City, covers about 180 square kilometers.The mining zone was estimated to have more than 2.3 billion tonnes of coal reserves, including 1.04 billion tonnes of proven reserves, according to the company's official website.The mine, affiliated to the state-owned Huajin Coking Coal Co. Ltd., is a major project approved by the provincial government. It is expected to produce 6 million tonnes of coal annually once in operation.If the trapped workers cannot be saved, the accident will be China's worst mining disaster in more than two years. In August 2007, a total of 181 workers died at two flooded coal mines neighboring each other -- 172 at one mine -- in Xintai, eastern Shandong Province.