North Korea may conduct additional missile tests this year to polish up its long-range missile technology and ramp up the threat against the United States, South Korea's spy agency said on Monday, adding that it was monitoring developments closely.
North Korea is pursuing nuclear weapons and missile programs in defiance of U.N. Security Council sanctions and has made no secret of its plans to develop a missile capable of hitting the U.S. mainland. It has fired two missiles over Japan.
The reclusive state appears to have carried out a recent missile engine test while brisk movements of vehicles were spotted near known missile facilities, said Yi Wan-young, a member of South Korea's parliamentary intelligence committee, which was briefed by Seoul's National Intelligence Service.