A northern Minnesota man is being held at the Chisago County jail on suspicion of second degree arson, KARE 11 reports. North Branch police arrested the 21-year-old in connection with an arson fire that nearly destroyed the North Branch Veterinary Hospital earlier this month.

Police arrested a Minneapolis firefighter and two others after a narcotics search at the worker's fire station. Police say it's part of an ongoing investigation. The Minneapolis fire chief issued a written statement saying such actions by an individual can 'cast a shadow on the whole department.'

Fire investigators say a blaze that destroyed 11 homes and damaged several dozen other structures in the northwest town of Karlstad this month was probably arson. The Department of Natural Resources is still investigating and offering a $6,000 reward.

Jeron Patterson was arrested and charged in July for a series of fires at the former home of Gov. Mark Dayton. KSTP says District Court Judge David Piper issued the ruling after reviewing several of Patterson's mental illness evaluations.