“Kim Jong-un is very smart and can lose a lot, lose everything if he acts in a hostile way,” Trump wrote on his Twitter.

Kim Jong Un is too smart and has far too much to lose, everything actually, if he acts in a hostile way. He signed a strong Denuclearization Agreement with me in Singapore. He does not want to void his special relationship with the President of the United States or interfere .... https://t.co/THfOjfB2uE

- Donald J. Trump (@realDonaldTrump) December 8, 2019

The US president recalled that the DPRK leader signed a denuclearization agreement with him in Singapore.

He also said that North Korea has great economic potential, but at the same time it must conduct denuclearization, "as promised."

Earlier, trump said that he denies the possibility of Pyongyang hostile actions against Washington.