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 Korean leader Kim Jong Un's influential sister said Tuesday that the deployment of a U.S. aircraft carrier to South Korea would prompt Pyongyang to bolster its nuclear arsenal and ramp up military provocations.

The powerful sister of North Korean leader Kim Jong Un has threatened a high-profile response to the arrival of a U.S. aircraft carrier in South Korea and other U.S. military activities