SEOUL, May 26 (UPI) -- North Korea fired close-range ballistic missiles and other projectiles into the Yellow Sea on Tuesday, Seoul's military said, in Pyongyang's latest show of force as tensions remain high on the Korean Peninsula. The projectiles were launched from the vicinity of Chongju, a city on North Korea's west coast, at around 1 p.m., South Korea's Joint Chiefs of Staff said in a text message to reporters. "The detected North Korean missiles flew approximately 80 kilometers [50 miles]