From the UN News Center:
“The Secretary-General is deeply concerned that this act will negatively affect regional peace and stability as well as the global nuclear non-proliferation regime,” his spokesperson said in a statement.
Mr. Ban “trusts that the Security Council will take up this matter to send out a strong and unified message, conducive to achieving the goal of de-nuclearization of the Korean peninsula and peace and security in the region,” the statement added.
Ban, remember, is the former foreign minister of South Korea. He’s seen this movie before.