FREDONIA, WI (WHBL) - A van driver was killed Tuesday night after his vehicle rear-ended a school bus north of Milwaukee. It happened around seven p-m near Fredonia on Highway 57. Ozaukee County sheriff's deputies said the bus had just turned onto southbound 57 when it was hit from behind. The man driving the van was pronounced dead at the scene. Several students from the Northern Ozaukee School District were on the bus. None were hurt.