China on Monday pushed back after President Trump warned on Sunday the U.S. is considering cutting off trade with countries doing business with North Korea.

“What is definitely unacceptable to us is that on the one hand we work so hard to peacefully resolve this issue and on the other hand our interests are subject to sanctions and jeopardized,” foreign ministry spokesman Geng Shuang said at a news briefing, according to the Associated Press.

“This is unfair.”

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His comments come after North Korea claimed it successfully tested a miniaturized hydrogen bomb capable of fitting on an intercontinental ballistic missile (ICBM).

Trump on Sunday tweeted that the U.S. was considering "stopping all trade with any country doing business with North Korea."

Treasury Secretary Steven Mnuchin Steven Terner MnuchinLawmakers fear voter backlash over failure to reach COVID-19 relief deal United Airlines, unions call for six-month extension of government aid House Democrats plan to unveil bill next week to avert shutdown MORE on Sunday said North Korea needs to be cut off economically.

He said he is drafting a sanctions package to send to the president for his strong consideration and called the country's behavior "unacceptable."

On Monday, U.S. ambassador to the U.N. 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 said North Korea's leader, Kim Jong Un, is "begging for war" with his "abusive use of missiles."

Trump has in the past gone after China for not doing more to reign in North Korea.