CHICAGO (CBS) — TTwo people were killed in a head-on crash Saturday night in southwest suburban Homer Glen.

Allan Wisniewski, 26, was driving a black Cadillac, speeding west in an eastbound lane about 9:45 p.m. when the Cadillac collided head-on with a silver Mitsubishi, driven by 18-year-old Simone Radde, at West 143rd Street and South Creme Road, according to the Will County coroner’s and sheriff’s offices.

They were both taken to Silver Cross Hospital in New Lenox, where Wisniewski was pronounced dead at 10:22 p.m. and Radde died at 10:48 p.m., the coroner’s office said. Wisniewski lived in Lemont, while Radde was a resident of Homer Glen.

Preliminary autopsy results Sunday determined they both died of multiple injuries they suffered in the crash, the coroner’s office said. Weather conditions weren’t a factor in the crash, the sheriff’s office said.

The sheriff’s office was investigating the crash.

(Source: Sun-Times Media Wire © Chicago Sun-Times 2016. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)