MASON CITY, Iowa - A man involved in a two-vehicle accident last week has died, authorities said Tuesday.
Robert Schwieger, 56, of Mason City, died Monday as a result of his injuries from the Sept. 2 crash.
Marvin Alphs, 69, of Mason City, was driving a truck east on Highway 122 and tried to turn on South Eisenhower.
Schwieger was driving a motorcycle west on the highway.
Police say the two vehicles collided in the intersection.
Alphs was not injured in the accident but was charged with failure to obey a traffic control device.