Lisa Festervoll, among the crew, said the whole boat shook, 'hit hard and quickly'. Orcas rocked the helm and the rudder, and the boat began turning in circles

The coast guard swept in on Monday to save four people on a sailboat in Costa da Caparica, near Lisbon, that had suffered 'successive collisions with the bow caused by orcas'

The crew were taken to the port of Cascais by a patrol boat after ‘repeated strikes’ by a killer whale on the vessel