A man was sectioned in Peterborough after two air rifles were found in a boat.
Police were called to the boat at the Embankment in the River Nene in Peterborough at 6pm on Friday (June 19).
A Cambridgeshire police spokesman said: “We were called following reports of threats being made.
“A warrant was carried out at the boat, and two air rifles were recovered. “A short time later a man was arrested. He was sectioned under the mental health act.”