https://apnews.com/article/killer-whales-boats-spain-portugal-6b1a68272fc2418dab9767dd8977b616

BARCELONA, Spain (AP) — A pod of killer whales repeatedly rammed a yacht in the Strait of Gibraltar this week, damaging it enough to require Spanish rescuers to come to the aid of its four crew members.

It was the latest episode in a perplexing trend in the behavior of orcas populating the Atlantic coast of the Iberian Peninsula that has left researchers searching for a cause.