China's Foreign Ministry has demanded that the US Embassy to China facilitate travel for the families of those killed and injured in Friday's tour bus crash near the Hoover Dam in Arizona, the Xinhua News Agency reported. In a statement released on Sunday, the ministry confirmed that six Chinese nationals died and nine were injured, including one from Hong Kong. The Chinese Embassy in the US and Consulate General in Los Angeles immediately dispatched a team assist US authorities with treating the injured and investigating the accident.