The state patrol says three people are dead following a two-vehicle crash in southern Washington state.

Four people, including a baby, were also injured in the crash that occurred on Interstate 82 near the Benton County city of Kennewick shortly after 7 p.m. Tuesday.

The patrol says a pickup truck carrying five people left the roadway and rolled into the oncoming lane where it was struck by an SUV.

Three people in the pickup were killed and two others injured.

The report says a woman and a six-month old baby in the SUV were also hurt.

The cause of the crash is under investigation.