Short-finned pilot whales stranded in Hamelin Bay

Morethan150whaleshavebecome stranded in Hamelin Bay in western Australia, and only 15 of them were still alive on Friday, authorities said.

The mammals are believed to be short-finned pilot whales.

The stranded animals were first spotted by a commercial fisherman early on Friday morning.

As of Friday afternoon, only 15 whales were alive. A rescue operation was underway to try and herd them back to sea.