A visit by a U.S. aircraft carrier to South Korea prompted a warning from the sister of North Korea’s leader that Washington and Seoul “should not test” the communist regime.

North Korea has slammed the United States for "political and military provocations" over the visit of a US Navy aircraft carrier to the South Korean port of Busan.The statement by Kim Yo Jong, the powerful sister of North Korea's ruler Kim Jong Un,

The U.S. aircraft carrier USS Carl Vinson arrived at the southern port city of Busan in South Korea on Sunday as a show of force against North Korea, South Korea's navy said.