Arlington motorcyclist killed in 3-vehicle crash FILE — Authorities in Sibley County say a 26-year-old man was killed in a three-vehicle crash Tuesday night. (Source: Sibley County Sheriff's Office) By KEYC Staff | May 12, 2021 at 4:16 PM CDT - Updated May 12 at 4:25 PM ARLINGTON, Minn. (KEYC) — Authorities in Sibley County say a 26-year-old man was killed in a three-vehicle crash Tuesday night. The Sibley County Sheriff’s Office said it was dispatched to the intersection of 411th Avenue and 226th Street for a report of a motorcycle crash. Deputies were advised that two other vehicles may have possibly been involved in the crash.