Dells police and Columbia County Sheriff’s Department’s Emergency Response Team set up a perimeter before arresting a Dells man. Police Lieutenant Perry Mayer said, “Tuesday night about 7pm the victim of an assault came to the Wisconsin Dells police department to report the incident.  The officers were familiar with the suspect, 20-year old Timothy McEvoy.  A perimeter was set up in the area of Washington Avenue and Race Street.  McEvoy surrendered to authorities without incident.”