ONAWA, Iowa (AP) — An Omaha man has been killed and his wife critically injured in a motorcycle crash in western Iowa.

81-year-old Willard Crowl was killed and 78-year-old Sonya Crowl was injured in the Thursday morning crash near Onawa on Interstate 29.

The Iowa State Patrol says the motorcycle was northbound when it began to drift into the right lane, then switched back to the left lane and crashed into the median.

Investigators say Willard Crowl died at the scene. Sonya Crowl was taken to an Onawa hospital, then transported to Mercy Medical Center in Sioux City.

It is not known who was driving the motorcycle at the time. The investigation into the crash continues.