A mate of mine filmed this last week - Some baby whales getting mauled by Orcas near Exmouth. The kids had been swimming with the whale sharks a few minutes before this started.....

And more coverage here....
www.perthnow.com.au/news/wa/nature-turns-nasty-as-killer-whales-hit-calves-ng-b13dfbb488325deb16bc248684826b99Poods
