Karlstad, MN – Kittson County (trfnews.i234.me) – A 59-year-old man was injured Thursday morning, July 11, after an explosion at Hanson Trucking in Karlstad, according to Kittson County Sheriff Matt Vig. Authorities say Wayne Martinson was using a grinder inside a semi feed trailer at the time of the incident, which occurred around 9:35 a.m.… Continue reading Man Injured in Explosion at Hanson Trucking in Karlstad | trfnews.i234.me