Orcas relentlessly battered a yacht in a “terrifying” two-hour attack that didn’t end until the $128,680 vessel sunk to the bottom of the Mediterranean Sea. ... they were not playing at all, they knew exactly what they were doing. They knew the weak points of the boat, and they knew how to sink it... “Their sole intention was to sink the boat ... The five orcas circled the 39-foot sailing boat and took turns smashing it to bits .. in a coordinated assault Powell compared to the carnage of wolves. ... The pod of five first focused on the rudder,...