Officials are investigating and two are recovering after explosions at a marina in Roane County.
The Tennessee Wildlife Resources Agency says crews responded to Blue Springs Marina on Watts Bar Lake Saturday night after small explosions were reported on moored vessels.
There was significant damage to the dock and six vessels, two of which sank. Officials say a married couple from Monroe County were seriously injured by an explosion in their engine hatch and were flown to the UT Medical Center.
Authorities are investigating the cause of the explosions.