Almost 500 pilot whales stranded on Australian island state

Pilot whales lie stranded on a sand bar near Strahan, Australia (Brodie Weeding/Pool Photo via AP)

More pilot whales were found stranded on an Australian coast on Wednesday, raising the total to almost 500 in the largest mass stranding ever recorded in the island state of Tasmania.

Authorities have been working to rescue survivors among an estimated 270 whales found on Monday on a beach and two sand bars near the remote west coast town of Strahan.