The president threatened the use of emergency powers after a federal judge temporarily halted national guard deployment in Portland. Key US politics stories from 6 October at a glance

Donald Trump threatened to use emergency powers to deploy more troops into Democrat-led cities, as his attempts to mobilise the military faced legal challenges.

The president openly mulled use of the Insurrection Act after a federal judge in Oregon temporarily halted a National Guard deployment in Portland.

“We have an insurrection act for a reason. If I had to enact it I would do that,” Trump told reporters in the Oval Office, adding, “if people were being killed and courts were holding us up or governors or mayors were holding us up, sure I would do that.”

A federal judge will not immediately block national guard troops from being deployed in Illinois after a lawsuit from the state against the president on Monday.