At 8:07 AM in Hawaii, an emergency alert was sent out warning residents of a ballistic missle threat.
Minutes later, the Hawaii Emergency Alert Agency clarified that there was no threat.
Twitter immediately jumped into action.
https://twitter.com/Watahmillen/status/952247734056071169
https://twitter.com/JimAcostta/status/952247397178138624
https://twitter.com/JackPosobiec/status/952246779357036544