(CNN) The driver in a Chattanooga school bus crash that killed six children had previously alarmed students, parents and faculty with his reckless driving, according to complaints provided by CNN affiliate WTVC. Principal: Walker was 'driving way too fast'JUST WATCHED Multiple fatalities in school bus crash Replay More Videos ... MUST WATCH Multiple fatalities in school bus crash 01:00Going back to at least September, parents and students had complained to Hamilton County Department of Education employees about the driver's alleged disregard for children's safety, records show. The following week, five days before the fatal crash, she again expressed concerns in an email with school officials. According to school records, at least two students wrote letters to officials expressing concerns for their safety. 366 bus had become a struggle for Walker, records show.

Source: CNN November 28, 2016 16:07 UTC