The "catastrophic failure" of an aluminum ferry gangway caused the deaths Saturday of seven people who were attending an annual cultural event on historic Sapelo Island off the coast of Georgia, officials said Sunday.

The collapse of this dock gangway on Sapelo Island, Georgia is sending shockwaves through the Southeastern United States, especially here in Jacksonville.

Georgia authorities say they are investigating the “catastrophic failure” of a dock gangway that collapsed, killing seven on Sapelo Island.