SEOUL - YouTube videos teaching people how to prepare survival bags are going viral in South Korea amid growing fears of nuclear attack by North Korea.
The videos have been posted since the beginning of the year.
They highlight the importance of preparing emergency supplies, such as gas masks, food rations, warm clothing and water.
Many believe the videos are helpful in educating people on what to do in the event of war.
Tensions have been are high on the Korean peninsula since Pyongyang's sixth and largest nuclear test this month.