(Beaver Dam) At least one person is believed to be dead following an explosion inside an apartment unit in Beaver Dam Monday afternoon. The blast happened around 1pm at the Village Glen Apartments which is located just off Knaup Drive, east of Fleet Farm, inside building 109 apartment 11. Beaver Dam Police Chief John Kreuziger says there is a chemical of unknown origin inside the unit and the victim was found near the point of explosion. The State Fire Marshalls Office was called to the scene along with the Bureau of Alcohol, Tabaco and Firearms and a haz-mat crew. Kreuziger says multiple apartments were affected and residents in neighboring units are currently displaced.