US House Minority Leader Hakeem Jeffries says the Defence Secretary should be fired over texting war plans in a group chat.

Atlantic editor-in-chief Jeffrey Goldberg was accidentally added to a Signal group chat where Pete Hegseth posted plans for attacks in Yemen - two hours beforehand.

Jeffries says that threatened national security, and likely violated the law.

US correspondent Dan Mitchinson says President Trump has attempted to downplay the incident.

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