A pod of 77 pilot whales has died after washing ashore on a beach in Orkney in what could be the biggest mass stranding for decades.
The British Divers Marine Life Rescue (BDMLR) had established 12 of the animals at Tresness Beach on the island of Sanday were still alive when they came out of the water.
However the decision was taken to euthanise them after refloating efforts failed.
The pod included male whales up to seven metres (22ft) long as well as females, calves and juveniles.
Experts say it is too early to know what has caused the stranding, but it is likely one of the whales got into trouble and the rest of the pod tried to help.
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