Authorities say six children were on a school bus when it was hit by a pickup truck that drove through a stop sign on Tuesday morning. According to the Maricopa County Sheriff's Office, six children on the school bus were not injured when it was hit by a pickup truck near Southern and El Mirage. The children have been released to their parents. The driver of the school bus was taken to a hospital with minor injuries. The driver of the pickup truck was not hurt. At this time, impairment and speed are not factors in the crash.