He ran to the balcony and saw the building collapse and some people were rescued from the rubble, according to mnw.cn.
He said a fifth man, who drove the vehicle, was arrested trying to escape. One officer, who was hit by the minivan, died and two were injured.
He said that globally, Melbourne's biggest competitors for Chinese investment were Manchester in Britain and Miami in the United States.
He said he wanted to use his journey to highlight conservation projects by partnering with the World Wide Fund for Nature, Green Development Foundation, and Water to Go.
He said an investigation into the incident is still underway and the blast could be caused by human error.
He said LED and smart lighting, electric vehicles, wind power and solar energy, which use less power but also illuminate China's green development, will become a key differentiating factor in determining a country's competitiveness.
宝应男人包皮上长疙瘩痒
He said that by the end of October, the country's incremental local government debt was calculated as 16.8 trillion yuan (.56 trillion) by the Ministry of Finance, under the annual 18.8 trillion yuan ceiling that was set by the National People's Congress, the country's top legislature, in March.
He said he has now gained experience and can start his own metal welding workshop when the construction project ends.
He said around 30 industrial forums will be held, with the participation of some 300 experts and scholars.
He said 85 percent of the trainees are female, with about 80 percent of them aged between 40 and 55. Compared with the younger generation, people who are less educated and middle-aged more likely work in service jobs, Liu Shuliang said.