NEW : The three tourists have walked to shore after their ice floe drifted back toward land . NEW : Helicopters are standing by to take them to a hospital . The group was stranded on a chunk of ice in the Canadian Arctic . The tourists , including two Americans , received air - dropped survival kits that included rafts .
NEW : The 20 tourists have walked to safety after their ice floe drifted back toward land . NEW : Helicopters are standing by to take them to a base . The group was trapped on a chunk of ice in the Canadian Arctic . The tourists , including two Americans , received air-dropped survival kits that included rafts .