North Korea has fired several short-range ballistic missiles, Seoul’s military said on Thursday, hours after US President Donald Trump said he would meet Pyongyang’s Kim Jong-un this year. The latest launches from the nuclear-armed North come as South Korea and the United States hold a shorter edition of their annual Ulchi Freedom Shield military exercises, following an order from Trump to scale them back. Pyongyang has long condemned US-South Korea joint exercises as rehearsals for invasion,...