Our defence and security analyst Professor Michael Clarke warns that the Strait of Hormuz will become increasingly unstable, with Iran using sporadic attacks to open and close one of the world's most critical shipping routes at will. The latest attack on a container ship caused minimal damage but was enough to trigger a UN evacuation halt. Read more: https://news.sky.com/topic/iran-5977/1 #iran #war #middleeast #skynews SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/