Police and emergency services are at the scene of a serious incident in St Johns Street, Launceston.

Police were called to the scene about 10.05am following reports of an armed man threatening members of the public.

The person of interest and a police officer have been injured during the incident.

There is no ongoing threat to the wider community.

The person of interest has suffered serious injuries and is being treated at the scene.

St Johns Street between William and Cimitiere Streets and Cimitiere Streets between Charles and St Johns Streets are currently closed and people should avoid the area.

More information will be provided proactively when available.