White House press secretary Sean Spicer on Monday said China could be doing more to deal with North Korea.

"I think that there's a lot more that the Chinese government — both politically and economically — could be doing," Spicer said during an interview on "Fox & Friends."

Spicer said President Trump and Chinese President Xi Jinping had good talks earlier this month.

"They continue to have very productive discussions," he said.

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"We'll hopefully see a lot more of a unified response when it comes to North Korea."

Vice President Pence on Monday warned North Korea not to test Trump or the U.S. military.

"Just in the past two weeks, the world witnessed the strength and resolve of our new president in actions taken in Syria and Afghanistan," the vice president said.

"North Korea would do well not to test his resolve — or the strength of the armed forces of the United States in this region."

Pence also said he had "great confidence China will properly deal with North Korea."

The vice president's remarks echoed those made by the president last week, when he tweeted he has confidence in China to deal with North Korea. The president also said if "they are unable to do so, the U.S., with its allies, will!"

On Sunday, the president questioned why he would call China a "currency manipulator when they are working with us on the North Korea problem."

"We will see what happens!" he tweeted.