A group of orcas managed to sink a yacht off the coast of Morocco last week, after its 45-minute attack on the vessel caused irreparable damage, a Polish tour company said.The incident happened Tuesday, Oct. 31, as a crew with the boat touring group sailed through the Strait of Gibraltar. The narrow waterway bridges the Mediterranean Sea and the Atlantic Ocean, which separates the southern tip of Europe from northern Africa.
Last week's incident in the Strait of Gibraltar was not the first of its kind. Reported attacks by killer whales that seem to be trying deliberately to capsize boats off the coast of Spain and Portugal have more than tripled over the last two years, according to data released in the spring by the research group GTOA, which studies orcas around Gibraltar.'Nobody knows why this is happening,' Andrew W.