The bus's engine caught fire at about 8:15 a.m. near Coalpit Hill Road and Harrison Street, WLAD-AM said.
All four students on the bus were able to get off safely before firefighters arrived, reported WLAD-AM.
The bus was headed to Broadview Middle School for summer school classes, WLAD-AM noted.
Read the WLAD-AM article here.
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