VIDEO: Firefighters are battling a fire at Fincantieri Bay Shipbuilding in Sturgeon Bay. Fire Chief Tim Dietman tells Action 2 News that crews are having trouble finding the source of the fire. Smoke can be seen on our Sturgeon Bay Skycam. Dietman says the fire is on a ship called the Roger Blough. That’s a type of bulk carrier. It is being stored for winter at Bay Shipbuilding. There are no reports of injuries. Firefighters were called to the scene at about 2 a.m.,