North Korea has ​doubled down on expanding its nuclear fleet and continued its criticism of the U.S., although it has refrained from personal attacks on Trump.

Trump-Kim relations aren't dead, says high ranking official Kim Yo Jong — but if denuclearization is on the table, Pyongyang says don’t bother picking up the phone.

The powerful sister of North Korean leader Kim Jong Un has dismissed the U.S.’s intent to resume diplomacy on North Korea’s denuclearization