Police believe street racing is to blame for a single-car crash Tuesday afternoon that injured four people, leaving one in critical condition.

Authorities were called to the 500 block of Acme Road around 5:15 p.m. after a Ford Mustang hit two utility poles and a fence before at coming to rest against a tree and landing upside down at Acme Park.

Police said the Mustang and another car were racing when the driver of the Mustang lost control of the vehicle, which slid sideways.

All the occupants of the Mustang were transported to University Hospital.

The driver of the Mustang is facing racing/serious bodily injury charges.

Police said the second driver took off.

The area where the crash happened is a school zone, and at times, the speed limit is 20 MPH. Any other time, the speed limit is 30 MPH.

District 6 Councilman Greg Brockhouse:

"We’re doing the best we can to enforce the laws that are on the books, and that means writing tickets," Brockhouse said.

Angel Avila, witnessed the crash:

"I thought someone was going to die because they were bleeding so much," Avila said.