North Korea leader's sister says US is increasing threats with nuclear submarine

Kim Yo Jong, sister of North Korea's leader Kim Jong Un and first vice department director of the ruling Workers’ Party’s Central Committee, looks on at the Metropole hotel during the second North Korea-U.S. summit in Hanoi, Vietnam February 28, 2019. REUTERS/Leah Millis/File Photo

SEOUL (Reuters) - Kim Yo Jong, the powerful sister of North Korean leader Kim Jong Un, criticised the presence of a U.S. nuclear submarine in the South Korean port of Busan, state media KCNA said on Tuesday.

Kim called it a proof of U.S. ambition to "bring out its nuclear strategic assets, show off its strength and increase threats", according to KCNA.