President Donald Trump issued a new threat to North Korea on Thursday, saying his threat to rain "fire and fury" on it maybe "wasn't tough enough."
Speaking alongside Vice President Mike Pence, Trump also said China could do "a lot more" to pressure Pyongyang to end its nuclear weapons program.
Responding to North Korea's dismissal of his dire warnings as "nonsense," Trump told reporters "maybe it wasn't tough enough."
"They've been doing this to our country for a long time, many years," he said. "It's about time that somebody stuck up for the people of this country and for the people of other countries. So if anything, maybe that statement wasn't tough enough."
Trump spoke after North Korea intensified its own rhetoric by announcing a detailed plan to launch a salvo of ballistic missiles toward the US Pacific territory of Guam, a major military hub and home to US bombers.
That announcement had been a response to Trump's threat that the North would face "fire and fury like the world has never seen" if it threatened the US again.