The warning from Kim Yo Jong follows the arrival of the USS Carl Vinson and its strike group at the South Korean port of Busan - which she condemned as "confrontation hysteria of the US and its stooges".

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,