State police said 15th Precinct troopers responded at about 2:11 a.m. at the point near Hampshire. Troopers said the vehicles involved, a 2005 Chevrolet van and a 2010 Acura TSX, were fully engulfed in flames. Six passengers in the truck were killed, including 31-year-old Lauren Dobosz of Rolling Meadows and five children — two 13-year-old girls, a 7-year-old boy, a 6-year-old boy and a 5-year-old girl. Also dead was the driver of the Acura, 22-year-old Jennifer Fernandez of Carpentersville. All seven victims were pronounced dead at the scene. The driver of the van, 32-year-old Thomas Dobosz of Rolling Meadows, was airlifted to Loyola University Medical Center in Maywood with serious injuries. According to a preliminary investigation, the van was westbound on I-90 when the crash occurred. State police said “for unknown reasons” the Acura was traveling east in the westbound lanes and struck the front of the van. Both vehicles then engulfed in flames. Firefighters from the Hampshire Fire Protection District responded to the scene of the crash at 2:13 a.m. The Marengo, Genoa and Pingree Grove fire protection districts assisted. All westbound lanes of I-90 near milepost 33 were closed for the investigation, with traffic being diverted onto Anthony Street. They reopened around 9:25am The investigation is being conducted by the Illinois State Police. The McHenry County Coroner’s Office also responded. State police said no further information has been released at this time.