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.

SEOUL, South Korea (AP) — The powerful sister of North Korean leader Kim Jong Un threatened Tuesday to launch high-profile provocations in response to the arrival of a U.S. aircraft carrier in South Korea and other U.S. military activities, which she slammed as “confrontation hysteria of the U.S. and its stooges.”