Some Massachusetts beaches closed for swimming after 4 great white sharks seen off Cape CodCHATHAM, Mass. — The sightings of several great white sharks have prompted a swimming ban for the rest of the Labor Day weekend at some oceanside beaches in Massachusetts. Some Massachusetts beaches closed for swimming due to shark sightingsCHATHAM, Mass. — The sightings of several great white sharks have prompted a swimming ban for the rest of the Labor Day weekend at some oceanside beaches in Massachusetts. |