Around 10 killer whales found trapped in drift ice off Japan's northernmost main island of Hokkaido likely escaped as they appear to no longer be there, local officials said Wednesday."As the gap in the drift ice started to open, it's likely they escaped," said an official of the town of Rausu after the animals could not be spotted through binoculars Wednesday morning.On Tuesday, a pod of killer whales that included calves was seen from a small gap in the water's surface around 1 kilometer from the coast, according to the town.The town could not carry out a rescue operation as its vessels w…READ FULL ARTICLE