Kim Jong-un's powerful sister has warned the U.S. as North Korea tested two more short-range missiles earlier today. Kim Yo Jong warned against any increased U.S. presence on the Korean peninsula. “We are carefully examining the influence it would exert on the security of our state. The frequency of using the Pacific as our firing range depends upon the U.S. forces,” she said in a statement published by KCNA. On Friday, North Korea fired its Hwasong-15 intercontinental ballistic missile off its east coast. Watch this video for more details.