U.S. submarine makes port call in South Korea, North remains defiant

Trump tells several world diplomats that he wants more sanctions on North Korea. The new sanctions would include seizing North Korean ships and sanctions on North Korea importing oil.

U.S. submarine makes port call in South Korea, North remains defiant

A nuclear-powered U.S. submarine made a port call in South Korea on Tuesday in a show of force amid concerns that North Korea may mark the foundation of its military with a missile launch or a nuclear test, defying U.S. and Chinese pressure. The port call by the USS Michigan came as a U.S.