On May 19, 2009, a mass incident occurred in Huining County, Gansu Province due to the improper handling of a traffic violation by the traffic police and auxiliary officers. After the incident, Xushousheng, the deputy secretary of the provincial committee and governor, paid high attention to it and made important instructions. The two levels of party committees and people's governments of Baiyin City and Huining County made emergency arrangements, responded positively, and dealt with the situation properly. Currently, the situation has been defused.