Police ordered residents to stay in their homes after armed officers descended on a street.
Dorset Police officers equipped with large rifles were seen patrolling a road in Westbourne this morning.
Residents, ordered to stay inside by the police, peered out from their homes at the action unfolding on the street, Dorset Live reported.
At least four police vehicles were spotted in Seamoor Road in the Dorset town, blocking off the entrance to another road.
Police were first reported in the street at about 9am, with the road blocked off to vehicles.
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Officers were seen leaving the scene at about 9.30am.
By quarter to 11 the road had been reopened and only one police car remained.
A spokesperson for Dorset Police said: "We were called at 8.45am on Monday 27 December 2021 to reports of the concern for welfare of a man at an address in Robert Louis Stevenson Avenue in Bournemouth.
"It was reported that the man was in possession of a knife and was refusing to leave the property. The road was closed while officers responded to the incident.
"A local man has been spoken to and will receive the appropriate care. No offences disclosed and no arrests made."
Chief inspector Matt Baxter said: “I would like to reassure the community that there was no threat to any other members of the public during this incident.
“I would like to thank residents for their patience and understanding while we brought this incident to a safe conclusion and to those officers who attended and dealt with the incident professionally and with compassion.”
Westbourne is an upmarket shopping district which lies between Bournemouth and Poole.
