The explosion also damaged several vehicles running along the busy road, they said.
The father wrote that the three women approached his wife and their baby, who was in a stroller, when she was waiting for the elevator at a shopping mall in Beijing's Fengtai District on Tuesday morning.
The filing, made in a New York court, follows decisions by that state and others to reject a tentative settlement with Stamford, Connecticut-based Purdue, announced this week, arguing it does not do enough to make amends for the company's and family's alleged roles in flooding US communities with prescription painkillers.
The factory's parent company in Tokyo confirmed that an explosion had occurred at its plant in Fukui Prefecture.
The exhibition will be at the museum until the end of January.
The express provided a more convenient channel for Shenzhen-based television manufacturer Skyworth Group to enter overseas markets.
高一孩子戒掉网瘾问题少年学校
The fact that the Chinese stock market is evolving toward a more mature market and becoming more integrated with the global markets is also making Chinese equities more appealing to international investors.
The exhibition of archived photographs on the library's eighth floor, Canadians in China: Old Photographs from Sichuan 1892-1952, documents the lives and contributions of Canadian missionary doctors in Sichuan during those eventful years.
The figure is up 0.6 percent from last year, said Lian Weiliang, deputy head of the National Development and Reform Commission, during a news conference.
The figure was 3,077 last year, compared with 3,053 in 2016 and 3,236 in 2015, Wu Zunyou, chief epidemiologist at the Chinese Center for Disease Control and Prevention, told China Daily on Tuesday.