A kid is being treated at a local hospital in Zhengning County, Qingyang City, northwest China's Gansu Province, Nov. 17, 2011. The death toll in a school bus accident that occurred here on Wednesday morning has risen to 20 following the death of one child later Wednesday. The victims, including 18 preschoolers and two adults, died in a head-on collision between a school bus and a truck in the city of Qingyang.