About 100 pilot whales and bottlenose dolphins have died in a mass stranding on the remote Chatham Islands, about 800km (497 miles) off New Zealand’s east coast, officials said. Most of them were stranded during the weekend but rescue efforts have been hampered by the island’s remote location. New Zealand’s Department of Conservation on Wednesday said a total of 97 pilot whales and three dolphins died in the stranding, adding they were notified of the incident on Sunday. “Only 26 of the whales were still alive at this point, the majority of them appearing very weak, and were euthanised due to the rough sea conditions and almost certainty of there being great white sharks in the water which are brought in by a stranding like this,” said DOC Biodiversity Ranger Jemma Welch. Mass strandings a...