Incredible video of killer whales seen attacking small and large boats off the coast of Spain. There's been an increase in these encounters and some wonder why. Orca sightings off of San Diego’s coast usually start in June, but we're told they're still pretty far south. MORE: https://www.cbs8.com/article/life/animals/video-of-killer-whales-attacking-boats-in-spain/509-185043e1-4d4b-400d-bec7-308ad6030ee0