A liquid ammonia leak from a refrigeration unit at a cold storage facility in Shanghai has killed 15 people and injured 26 others, local authorities said. The leak occurred at 10:50 am local time ... more 
A liquid ammonia leak from a refrigeration unit at a cold storage facility in Shanghai has killed 15 people and injured 26 others, local authorities said. The leak occurred at 10:50 am local time Saturday at Shanghai Weng's Cold Storage Industrial Co. Ltd. less 
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Sat, Aug 31, 2013 10:23 AM EDT