Local news outlets are reporting that several firefighters have been injured.
A fire has been reported on a nuclear-powered submarine at a Maine shipyard.
Fire crews are responding to the blaze on the USS Miami SSN 755 at the Portsmouth Naval Shipyard, located on an island in the small town of Kittery near Portsmouth, N.H. The Portsmouth Herald newspaper says several firefighters have been injured.
Shipyard public affairs specialist Gary Hildreth says the fire is located in the forward compartment of the sub. The shipyard says the sub's reactor wasn't operating at the time of Wednesday evening's fire and wasn't affected.
Nonessential personnel have been removed from the sub. Black smoke has been billowing overhead, visible from surrounding areas.