Update: The sheriff's office said in an update the incident was resolved after the armed man appeared to have died from a self-inflicted gunshot wound. No other injuries or deaths were reported. The shelter in place was lifted.
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Taycheedah, Wis. — The Fond du Lac Sheriff's Office is responding to what they called an "active tactical situation" at a home Monday morning.
The sheriff's office says deputies were called to a home on Niagara Lane in the town of Taycheedah for a domestic incident.
During the incident, a man armed himself with a firearm while a woman left the home unharmed.
Responding deputies thought they heard what sounded like a gunshot come the home.
SWAT teams deployed around the home while negotiation teams attempted to contact the armed man. A drone and K-9 dogs are also being used.
Residents in the area were asked to shelter in place.
This is a developing story and will be updated with the latest news.
