Two people were critically injured when a car slammed into a tree late Wednesday in the Jefferson Park neighborhood on the Northwest Side.

At 11:38 p.m., a 2008 Chrysler PT Cruiser traveling east in the 6100 block of West Higgins at a high rate of speed lost control and struck a tree, according to Chicago Police and Chicago Fire Media Affairs. No other vehicles were involved in the crash.

The driver, a 26-year-old man, and his passenger, a 26-year-old woman, were both trapped in the PT Cruiser, and firefighters had to extricate them from the car, authorities said.

They were taken in critical to Lutheran General Hospital in Park Ridge, authorities said.

CPD’s Major Accidents Investigation Unit is investigating the crash.