A man arrested after a report of a gun inside a Niagara-on-the-Lake home Sunday was released without charges after police say there was no evidence a crime was committed.

More than half a dozen police vehicles, including the region’s emergency task unit and crisis negotiators, were called to the area of Anne Street between Simcoe and Mississauga streets about 3 p.m. Sunday after a firearm report was received.

Heavily armed police were seen in bullet-proof vests with some carrying what appeared to be assault rifles.

Neighbours who heard the commotion and saw the police activity came outside to find out what was happening.

“They’re containing someone in a house,” a couple from nearby Copperfield Street said.

After about two hours, police arrested one person at the scene. Streets were reopened around 5:30 p.m. and police said there was no threat to public safety.

Then, on Monday morning, police released a statement stating that detectives searched a residence and did not find evidence of a criminal offence.

Police have not confirmed any details about what the person was doing there.