It ended relatively quietly. No one hurt and the guy taken in for an evaluation.

Rumors flew all afternoon - ranging from multiple hostages to dead bodies to a bank robbery.
The man and his wife own a flower shop in a Frederick. Upset by a decision the mayor made, he started making phone calls to city hall around 6:00 in the morning, threatening to kill her. The local police were called and asked to check on him because he expanded the threats to include police and himself.
In a small community where everybody almost literally knows everyone, none of his neighbors could even tell me his name - and the guy had lived in the house for four years. "They keep to themselves pretty much and have dogs" was the most anyone knew.
In a search of the house after he was taken to the hospital, police found 40 guns in a gun safe, including one with a magazine capable of holding 100 rounds.