White House Chief of Staff John Kelly “blew up at” President Donald Trump on March 28, Axios reported Saturday.

Reporting based on multiple sources, Axios says “Kelly blew up at Trump in an Oval Office meeting that day, and while walking back to his office muttered he was going to quit.”

A senior administration official described it not as a threat, but “venting frustration.”

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Kelly even “packed up some personal belongings” though that may not have been in preparation to leave the building immediately.

Colleagues even got allies to call Kelly in an attempt to talk him down.

“At one point DHS Secretary Kirstjen Nielsen — perhaps the person in the administration he trusts most — came over to talk him off the ledge,” Axios noted.

This is not the first time Kelly has verbally threatened to quit.