[Bloody Sam Roberts]

Well, they did in a roundabout way. I had to read through a couple of times to find them.

America will launch a pre-emptive strike against the Hermit Kingdom if it attacks a military base or gets anywhere near developing a missile capable of reaching the US mainland, Donald Trump’s UN ambassador has revealed.
The US also warned Crazy Kim’s trigger-happy regime against testing any other missiles, any nuclear weapons – or taking any other provocative action.

[Dr. Pritchett]

“...or taking any other provocative action.”

ANY OTHER PROVOCATIVE ACTION??!! Now, that is a stupidly non specific red line, if that’s truly what someone said.