Cases of orcas attacking boats on the rise

There’s a new trend in the oceans this summer that may be worrying some boaters. It involves killer whales. In recent weeks, there have been several stories of orcas going after boats, and in some cases, sinking them. This has left people wondering whether this is the dawn of a killer whale uprising, or simply orcas playing their newest game. Mike Armstrong explains.

• 45-minute long orca attack sinks yet another yacht off Morocco