27-year-old Austin resident arrested in connection to the incident. 4:10 pm, Dec. 15, 2020 × Austin Police and the Minnesota Bureau of Criminal Apprehension investigate a stabbing incident on the 800 block of Third Avenue northwest on Tuesday, December 15, 2020, in Austin. (Traci Westcott / twestcott@postbulletin.com) AUSTIN — One person has died following what law enforcement has described as a "serious assault" in Austin on Tuesday morning. Austin police and the Mower County Sheriff's Office were called around 8:50 a.m. to the 800 block of Third Avenue Northwest for a report of an assault in progress. Two people were treated on the scene and transported to Mayo Clinic Health Systems Austin. Police Chief David McKichan said in a news release Tuesday evening that one of the injured people died as a result of the assault.