Four people are dead after a two-car crash in Thornton on Saturday set their car on fire, police said.

Thornton officers were investigating the fatal two-car crash near the intersection of Thornton Parkway and Washington Street around 8 p.m. Saturday, according to a statement on social media from the police station.

The intersection is east of Thornton City Hall and north of Pinnacle Mall.

Police said one of the cars caught fire after being hit in the crash, killing all four people inside. Paramedics took the driver of the other car to hospital with “serious” injuries.