Emergency services were called to an incident at a multi-story car park off Park Road in Poole this morning.
Ambulance, fire crews and Police attended the area around Municipal Road after reports were received by Dorset Police just after 10am.
The calls were raising concern for the welfare of a man on the roof of the car park.
Dorset Police told Bournemouth One: “Officers have attended and are making efforts to engage with the man. The fire service has also attended and a cordon has been put in place as a precaution.
“We would like to thank members of the public for their patience and understanding while we respond to this incident.”
The incident is ongoing at the time of publication.