One person was killed and three were injured Thursday morning in a fiery, multi-vehicle wreck on Interstate 19 south of Tucson, authorities said.
The crash happened about 9:30 a.m. in the northbound lanes of I-19 between the exits for Pima Mine Road and San Xavier Road, Drexel Heights Fire Department said in a news release.

One person was killed and three were injured in a crash Thursday morning on Interstate 19 south of Tucson.
One of the four vehicles involved in the crash was on fire and had people trapped inside when responders first arrived, the release said.
One person died at the crash scene.

A 60-year-old man killed in a multi-vehicle crash Thursday morning on Interstate-19 south of Tucson has been identified.
Three people were hospitalized. A fifth person refused medical treatment, the release said.
The crash resulted in a portion of I-19 being closed for hours.