North Korea says the uncle of North Korean leader Kim Jong Un has been executed - after a special military tribunal found him guilty of treason.<br/> <br />Jang Song Thaek was once considered the second most powerful man in the highly secretive state.<br/> <br />On Thursday, North Korea's official news agency announced quote: "The accused Jang brought together undesirable forces and formed a faction as the boss of a modern day factional group for a long time and thus committed such hideous crimes as attempting to overthrow the state."<br/> <br />Earlier this week, Jang was stripped of all his posts - and accused of criminal acts including mismanagement of the country's finances, womanizing and alcohol abuse.
