The blue whale is an online social media group that encourages the members to take their own lives. The sick trend goes viral on instagram that encourages teen to take the challenge. The admin make a 50 day challenge with 50 challenges that they have to complete with in that period. The task includes hurting yourself, waking at unusual hours and gets more extreme as you reach the 50th day. On the last day the admins instruct the youngster to take their lives. In Russia 130 reported suicides related to blue whale. Parents have a time with your children, communicate to them. You must monitor them from time to time and refrain them from visiting unknown sites.