North Korea appears to have dialogue with South Korea out of its plans.
North Korean dictator Kim Jong-un has reportedly started following Italian football after he saw the country's star striker score for Serie A side Cagliari.
Two anti-missile installments have already been installed, put in place in the middle of the night on a golf course 135 miles from Seoul despite protests by thousands of South Koreans over THAAD itself and USA militarism on the Korean Peninsula.
The photos taken by the drone found in 2014 on Baengnyeong Island in the Yellow Sea indicate that it flew only over regions near the western border between the two Koreas. The official said more analysis was being conducted, including trying to determine if the drone had already transmitted the 10 photos of the THAAD site.More news: Five facts about Attorney General Jeff Sessions
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The neighbours are technically at war after the 1950-53 Korean War ended in a truce and not a peace treaty.
The organizers of the 2018 Olympics in Pyeongchang, South Korea, hope North Korea will take part in the Winter Games.
The military analysed the contents of the camera's 64-gigabyte memory chip and said it had been spying on the missile defence system known as the Terminal High Altitude Area Defense (THAAD). Any flare-up in the long-running dispute over "comfort women" could complicate efforts by Seoul, Tokyo and their ally Washington to cope with North Korea, which has been ramping up weapons tests since a year ago in defiance of global sanctions. China also opposes the deployment because it worries THAAD's powerful radar system can peer into its own territory.
North Korea has long boasted of its drone fleet, showcasing reconnaissance and attack drones modeled after similar USA aircraft during parades in 2012 and 2013.