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Rescuers faced a race against time to save dozens of short-finned pilot whales on Friday after more than 150 got stranded on an Australian beach.
More than half of the beached whales had died, said Jeremy Chick, incident controller at Western Australia's conservation department.
Authorities and volunteers were trying to save about 50 still alive on the beach and a further 25 in shallow waters.
The whales beached at Hamelin Bay, 315 km (198 miles) south of the state's capital, Perth.