FRIDLEY — Police in Minnesota said a motorist shot and killed a man who had pulled a knife on another driver following a multi-vehicle crash.

The events unfolded Wednesday afternoon along Highway 65 in the Minneapolis suburb of Fridley. Police said the man with the knife was involved in the crash and was trying to assault another driver.

The Anoka County Sheriff’s Office said witnesses told investigators the man also accosted multiple people at the scene before pulling out the large knife. Authorities identified the man as 33-year-old Simon Schiffler of Williston, North Dakota.

Sheriff’s officials said another motorist who wasn’t involved in the accident stopped to intervene and shot the man several times when the man came after him. The shooter was not arrested.