Coast Guard investigates tug collision, monitors sunken boat

Coast Guard investigates tug collision, monitors sunken boat
The 80-foot tugboat Capt Mackintire is in tow off Portland, Maine, Wednesday, Feb. 21, 2018.  U.S. Coast Guard photo. BOSTON — The Coast Guard is investigating the cause of a tug collision that occurred about three miles south of Kennebunk, Maine, early Thursday, and monitoring the site where one of the stricken vessels sank. One of the two crewmen aboard the 40-foot tugboat Helen Louise alerted...