Angry black smoke could be seen rising high into the air sometime after 8am today.
Police and the fire service immediately arrived on scene, with the latter attempting to prevent the fire from spreading across to Maggie Seafood Restaurant and the Coordination Office for Bougainville Affairs (NCOBA) building.
Police are currently keeping opportunists at bay while firefighters are trying their best to contain the flames.
No casualties have been reported while details to the cause of the blaze will be established later.
