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Before he was shot dead by police, Legan killed a 6-year-old boy, a 13-year-old girl and a man in his 20s and injured at least 12 others. Police and FBI investigations are underway to determine a motive. Authorities say that Legan legally purchased the rifle in Nevada on July 9.

Beijing, home to 18 venues of the 2022 Winter Games, will begin an investigation into the current situation of barrier-free access in the city and devise an action plan and a supervision system in accordance with the guide, said Tao Zhihong, an official of Beijing's city planning authority.

Beijing’s new generation technologies and applications of artificial intelligence are expected to reach the world advanced level by 2020, according to a guideline issued by the local government.

Beijing topped the lists both in non-private sectors and private sectors, with salaries registered at 145,766 yuan and 76,908 yuan, respectively.

Beijing has 22 indoor and outdoor ski slopes, according to the association.