Hurricane Musk hit the coast of North Korea, followed by Japan and South Korea.Typhoon Mack wreaked havoc in North and South Korea, with strong winds raining down trees and rooftops in South Korea, while power poles collapsed, cutting off power to 120,000 people in the city of Bosan.The storm killed one person in South Korea and cut off power to more than 100,000 people.Hurricane Musk is the fourth hurricane to hit the region this year.