Three injured in Lake Forest rollover crash; speed, alcohol suspected

Chicago area rollover crash leaves 3 hurt, major delays, police say
A serious rollover crash in north suburban Lake Forest left three people hurt and major delays.
LAKE FOREST, Ill. - A rollover crash early Tuesday morning in Lake Forest sent three people to the hospital and closed a stretch of Route 41 for several hours.
What we know:
According to Lake Forest police, officers and firefighters were called to the area just north of Deerpath Road around 1:46 a.m. after a silver Mazda 3 sedan left the road and flipped. The crash caused the car to roll over at least once before landing near nearby freight train tracks.
Police say the vehicle was headed north on Route 41 at a high rate of speed when it veered off to the right for unknown reasons. One of the three occupants was ejected during the crash, while the other two had to be extricated by fire crews.
All three were taken to Advocate Condell Medical Center with serious injuries. Investigators believe alcohol and speeding played a role in the crash.
The Lake County Major Crash Assistance Team is helping with the investigation.
What we don't know:
The identities and current conditions of the three people injured have not been shared.
What's next:
Police say more information will be released once charges are filed.