Someone Sent a Mysterious Mass Text to Protesters in Kiev

As mass riots continued on the streets of Kiev, protesters, as well as other people in the area, received a mysterious text message on Monday evening.

"Dear subscriber, you are registered as a participant in a mass disturbance," the message read, as first reported by The New York Times

"Dear subscriber, you are registered as a participant in a riot” @radiosvoboda saw it live as it came in last night pic.twitter.com/uyqRKhiC5f

— RFE/RL (@RFERL) January 21, 2014

The text came from a number only identified as 111, but the Times suggests Ukrainian authorities were behind it. The country's Interior Ministry, however, denied sending the messages, as later reported by The Guardian. But regardless of who was responsible for the SMS messages, how did they do it? How did they pinpoint only certain cellphones in a specific area? Read more...