A former foreign policy adviser to President Obama is warning there could be trouble if North Korean leader Kim Jong Un chides President Trump over the fact that he lost the popular vote to Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE in the 2016 election.

"God save us if Kim Jong Un makes a comment about Hillary's popular vote victory," Ben Rhodes wrote on Twitter Friday.

God save us if Kim Jong Un makes a comment about Hillary's popular vote victory https://t.co/mW2SJtmIrF — Ben Rhodes (@brhodes) September 22, 2017

Trump and North Korea's leader have been locked for months in a war of words and threats that has prompted concern among foreign leaders who fear Washington and Pyongyang may be hurtling toward a confrontation.

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Trump said last month that he would unleash "fire and fury" on North Korea if the country continued to threaten the U.S. and its allies.

Despite crushing sanctions, Pyongyang has continued its weapons testing, launching ballistic missiles over Japan and, earlier this month, detonating what North Korean officials claim was a hydrogen bomb.

Trump took aim at North Korea once again on Tuesday when he delivered a fiery rebuke of the country's destabilizing activities during a speech before the United Nations General Assembly.

Kim responded to Trump's comments in a statement on Thursday, calling the U.S. president "mentally deranged" and warning that he would "pay dearly" for his threats against Pyongyang.

Trump has long boasted about his Electoral College victory over Clinton in 2016. The former secretary of State won the popular vote by nearly 3 million ballots cast.