Killer Whales have started to attack and sink boats.
https://www.scientificamerican.com/article/why-has-a-group-of-orcas-suddenly-started-attacking-boats/ (https://www.scientificamerican.com/article/why-has-a-group-of-orcas-suddenly-started-attacking-boats/)
Now they gotta blow a baby out it's a***ole!
In a strange way, I wouldn't be surprised if they were after seals...
And its behavior that's apparently spreading to other pods. Makes me glad I live in a land locked area.