Four people were hurt in a roll-over crash on Lake Shore Drive.
This happened around 2 a.m. in the southbound lanes near Irving Park.
Police say an SUV flipped over. No other cars were involved.
The southbound lanes of Lake Shore Drive were temporarily closed from Irving Park to Belmont those lanes have since re-opened.
All four victims are in critical condition.
It’s unclear what caused the SUV to flip over.