President Trump early Thursday said the Chinese envoy who was dispatched to North Korea "seems to have had no impact" on Kim Jong Un.

"The Chinese Envoy, who just returned from North Korea, seems to have had no impact on Little Rocket Man," the president tweeted, referring to the North Korean leader.

"Hard to believe his people, and the military, put up with living in such horrible conditions. Russia and China condemned the launch."

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The Chinese Envoy, who just returned from North Korea, seems to have had no impact on Little Rocket Man. Hard to believe his people, and the military, put up with living in such horrible conditions. Russia and China condemned the launch. — Donald J. Trump (@realDonaldTrump) November 30, 2017

China sent an envoy to North Korea earlier this month after Trump met with Chinese President Xi Jinping in Beijing.

On Tuesday, Pyongyang conducted its first missile launch in two months.

Trump then announced new sanctions on North Korea on Wednesday after speaking with Xi.

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Just spoke to President XI JINPING of China concerning the provocative actions of North Korea. Additional major sanctions will be imposed on North Korea today. This situation will be handled! — Donald J. Trump (@realDonaldTrump) November 29, 2017

U.S. Ambassador to the United Nations Nikki Haley Nimrata (Nikki) Haley'The soul' versus 'law and order' Author Ryan Girdusky: RNC worked best when highlighting 'regular people' as opposed to 'standard Republicans' GOP lobbyists pleasantly surprised by Republican convention MORE on Wednesday also called on China to cut off its oil supply to North Korea following the test and said if it does not, the U.S. would take matters into its own hands.

"We now turn to President Xi to also take that stand. We believe he has an opportunity to do the right thing for the benefit of all countries. China must show leadership and follow through. China can do this on its own, or we can take the oil situation into our own hands," Haley said.