A derelict tugboat sank in Seattle’s Salmon Bay, with the Seattle Fire Department and the US Coast Guard responding to the incident. RELATED: Luxury yacht sinks off the coast of Italy https://bit.ly/3TBCE4e » Subscribe to USA TODAY: http://bit.ly/1xa3XAh » Watch more on this and other topics from USA TODAY: https://bit.ly/3QYKjbc » USA TODAY delivers current …