A unidentified mine found floating in Puget Sound was detonated by Coast Guard and Navy bomb technicians. There was no indication of how it got there.
The object was reported between Brownsville Marina and Bainbridge Island at about 2 p.m. Tuesday.
The Navy said initial inspection of the moored mine showed it had decades of marine growth. At about 5 p.m., Navy divers secured a long line to the device and began towing it with a small boat.
KIRO-TV video showed it was detonated without incident by 8:15 p.m.
Authorities had asked residents along the waterfront to stay inside and away from beaches as a precaution.
Brownsville is a few miles south of Naval Base Kitsap and a torpedo testing range.
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