Sen. Chris Coons Christopher (Chris) Andrew CoonsBiden promises Democratic senators help in battleground states Shakespeare Theatre Company goes virtual for 'Will on the Hill...or Won't They?' The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Pence lauds Harris as 'experienced debater'; Trump, Biden diverge over debate prep MORE (D-Del.) on Saturday called President Trump's "calm before the storm" comments an attempt to "hold the world's attention" adding that it's part of Trump's reality TV star bravado.

"You know, frankly I think he was just continuing a tradition of being a reality TV star who tries to hold the world’s attention,” Coons said on CNN. “Tries to make sure that folks don’t change the channel.”

“That was a very ominous warning, but given his blustering against North Korea and Kim Jong-un, I’m not sure that that is predicting any imminent attack or any imminent military effort by the United States,” Coons continued.

At an event with military leaders at the White House Thursday, Trump cryptically told reporters that the gathering was “the calm before the storm.”

When pressed on the meaning of the comments on Thursday, and again on Friday, Trump responded: "you'll find out."

Trump’s comments come after The Washington Post reported Thursday that Trump plans to decertify Iran's compliance with the nuclear deal next week and announce that it is not in the United States’ national interest. The comment was also made shortly after he had been briefed by the military on North Korea.

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Coons said the comments come at a concerning time, as reports continue to emerge that Trump's relationship with Secretary of State Rex Tillerson Rex Wayne TillersonGary Cohn: 'I haven't made up my mind' on vote for president in November Kushner says 'Alice in Wonderland' describes Trump presidency: Woodward book Conspicuous by their absence from the Republican Convention MORE has been rocky.

"This is a moment when I'm very concerned our top diplomat, Rex Tillerson, has been undermined or sidelined by this president," Coons said.

Tillerson and Trump have reportedly been frustrated with each other for months, and the president has appeared, at times, to undercut his top diplomat on foreign policy issues.

Reports emerged earlier this week that Tillerson once considered resigning, but was talked out of it. He has denied such reports.