OMAHA, Neb. — Authorities say a driver has died and a Nebraska state trooper has been injured in a collision on Interstate 680 in Omaha.

The Omaha Police Department says Trooper Christopher Goodrich was in his parked patrol cruiser on the shoulder of the interstate finishing a report around 1:40 a.m. Tuesday when a vehicle crashed into the back of the cruiser.

Police say Goodrich suffered a broken arm. The driver of the other vehicle, 21-year-old Avry Johnson of Omaha, was taken to a hospital, where he later died.

An autopsy has been ordered.

Police are still investigating the crash.