Remaining 12 whales stranded on Scottish island euthanised

Of the 77 whales which were on the beach, only 12 survived with medics mobilised in a bid to save them

The stranded whales were spotted on Thursday on Sanday, Orkney (British Divers Marine Life Rescue/PA Wire)

The 12 pilot whales which survived following a mass stranding have been euthanised, experts have said.

British Divers Marine Life Rescue (BDMLR) received a report of a mass stranding of up to 100 long-finned pilot whales at Tresness beach on the Isle of Sanday, Orkney, just before 11am on Thursday.