He said that Trump would "pay dearly" for his recent speech to the UN.
It should be reminded that at the UNSC session the US president said that if America was forced to defend itself it would "totally destroy" North Korea.
North Korean Foreign Minister Ri Yong-ho, who had earlier compared Mr Trump's speech to "the sound of a barking dog", has warned that Pyongyang could test a hydrogen bomb in the Pacific Ocean in response to the US president's threat.
However, he added: "We have no idea about what actions could be taken as it will be ordered by leader Kim Jong-un."