North Korea fires an unidentified short-range missile

SEOUL, South Korea— The South Korean Joint Chiefs of Staff says North Korea has fired an unidentified short-range missile from its eastern coast.The firing Saturday comes amid a diplomatic breakdown that has followed the failed summit earlier this year between President Donald Trump and North Korean leader Kim Jong Un over the North's pursuit of a nuclear arsenal that can target the U.S. mainland.The Joint Chiefs of Staff says the North's missile was fired from Wonsan on the east coast.It