Any nuclear cooperation between North Korea and Iran is concerning, a state department spokesperson said Tuesday, calling the two countries the "most acute proliferation threats."
State Department Press Secretary Ned Price also noted the countries have a history of violating international norms.
"We have released information on this. Some of this information has been reportedly publicly as well," the spokesperson said when asked about possible nuclear cooperation between Pyongyang and Tehran.
North Korea has long been suspected of exporting its weapons of mass destruction and related technologies, including those of nuclear weapons program, to countries such as Iran.
