One tweet said "Tango Down" followed by a link to the North's Flickr page. North Korea opened its Twitter account in 2010. It has more than 13,000 followers.

North Korea opened its Twitter account in 2010. It has more than 13,000 followers. The North uses the social media to praise its system and leaders and also to repeat commentaries sent out by ...

One tweet said "Tango Down" followed by a link to the North's Flickr page. North Korea opened its Twitter account in 2010. It has more than 13,000 followers.

The images on North Korea’s Flickr account. Other images include a “We are Anonymous” logo and a pair of other photos with Guy Fawkes masks—a popular symbol among Anonymous hackers.

North Korea's official Twitter and Flickr accounts have been hacked, reportedly as part of "hacktivist" group Anonymous's efforts to disrupt the communist country's Web presence.