In winter, Lake Quannapowitt and other bodies of fresh water attract skaters, ice anglers and hockey players. But the Wakefield Police and Fire departments are cautioning people to exercise extreme caution before going out on ice, no matter how thick.

In winter, Lake Quannapowitt and other bodies of fresh water attract skaters, ice anglers and hockey players. But the Wakefield Police and Fire departments are cautioning people to exercise extreme caution before going out on ice, no matter how thick.