NEW : North Korea has carried out a series of missile and rocket launches into the sea in recent months , drawing criticism from South Korea , the United States and the United Nations . The projectiles are assumed to be short - range ballistic missiles . They flew more than 310 miles ( some 500 km ) No damage or casualties are reported . It 's the latest in a series of rocket and missile attacks by North Korea .
NEW : The projectiles are assumed to be short - range ballistic missiles . They flew more than 310 miles ( some 500 km ) No damage or casualties are reported . It 's the latest in a series of rocket and missile attacks by North Korea .