Seven people were taken to the hospital late Monday after 35 vehicles were involved in two separate chain-reaction crashes less than a mile apart on the Kennedy Expressway. Both crashes, involving a total of 35 vehicles, happened about 10:30 p.m. in the inbound express lanes of Interstate 90/94 between North Avenue and Division Street, according to Illinois State Police. Seven people were taken to the hospital, while 23 people refused medical attention, said Fire Media Affairs Chief Juan Hernandez.