SeaWorld euthanizes matriarch killer whale

SeaWorld was forced to say goodbye to a female orca whale on Tuesday. Kastaka, 42, was a mother of four, grandmother of six, and a great grandmother of two. SeaWorld decided to euthanize Kasatka after her health severely declined The whale suffered from lung disease and was sick since 2008. Kastaka was the third whale to die at the park this year.