pA killer whale that’s been observed swimming around a Vancouver Island marina for several days exhibited some unusual behavior on July 29, when it grabbed the anchor line of a sailboat and dragged the vessel around the harbor.ppVideo of the incident, recorded at Comox Marina, shows the boat being pulled at speed by the lone whale, identified as a 27-year-old male.ppAt one point, the boat is dragged into a collision course with another.ppSharing the footage on July 29, Ara Stevenson saida that the larger boat dropped a dinghy into the water in a vain attempt to prevent a collision.ppNo one was aboard the boat at the time of the incident. Speaking to My Comox Valley Nowa, its owner, Dan Campbell, said there was minor damage to both boats seen in the video.