U.S. Secretary of State Rex Tillerson at a press conference on Friday in Seoul refused to rule out military action against North Korea, saying that “all options are on the table”.

“We do not want for things to get to a military conflict, but if North Korea takes actions that threaten our forces, and our allies’ forces, then that will be met,” he said.

Speaking alongside South Korean Foreign Minister Yun Byung-se, Tillerson said that past efforts focused on waiting for North Korea to denuclearize “have failed” and that the U.S. was exploring a “range of options”.

The Obama-era policy of