North Korea's vice premier Choe Yong-gon has been executed at the orders of Kim Jon-un after the two men disagreed over a policy regarding forestation, according to reports from South Korea.

South Korea's government is monitoring the story, which the North Korean government has not confirmed and was first reported by the Yonhap news agency which quoted spy agency sources. Choe was reportedly last seen in December 2014. The execution was carried out by "shooting" in May, according to Yonhap's report.

Facts about executions in North korea:

 Choe Yong-gon was one of the most senior among the 70 high-ranking officials killed or disappeared since Kim came to power in 2011.

 21 people we executed in North Korea in 2012 and 82 people were executed in 2013.

 The most high-profile execution was in late 2013 when Kim reportedly had his own uncle, Jang Song-thaek, executed.

 According to South Korea's Institute for National Unification, nearly 1,400 people were publicly executed in North Korea between 2000 and 2013, peaking at 161 under Kim Jong-Il in 2008.

 Cover image: Wikimedia