MARBLEHEAD - Seven fire departments are fighting a fire at a storage unit that has closed State Rt. 163.

Danbury Township fire department officials said the cause of the fire, which began around noon at a large structure in Lakeside Marblehead Storage, has yet to be determined. As of 3 p.m., the blaze was still ongoing.

One firefighter who went to the hospital with minor injuries has since returned to the department.

First Published July 18, 2014, 8:09 p.m.