Trump threatens US with rarely used 1807 law which could cause chaos in American cities

Donald Trump is threatening to bring back an old law from 1807 which could see US cities erupt into chaos.

The President is as determined as ever to crackdown on crime and what he describes as an 'invasion' of illegal immigrants across America, even going so far as to invoke laws from hundreds of years ago and roll out National Guard troops across Los Angeles and Washington, D.C.

In summer, he teased plans to invoke the Insurrection Act of 1807 to halt anti-ICE protests. The act permits the use of active duty military officers to take over federal police to carry out law enforcement duties.

Now, he's threatening to bring it back in to deploy federal troops to Democratic-led states that have been pushing back against his plans to involve military on their streets.

After a troop takeover of Washington in August, Trump told Chicago it would be next and revealed in an awkward address to military leaders recently that he would be tackling many more 'very unsafe places,' coincidentally run by Democratic governors.

The president has issued the warning after a setback in court (Anna Moneymaker/Getty Images)

Yet a court recently prevented hundreds of personnel from the National Guard from being sent to Oregon with Judge Karin Immergut stating small protests cannot justify the use of federal forces while dismissing Trump's depiction of Portland as 'war-ravaged.'

However, Illinois was not so lucky as an appeals court recently ruled that federal troops 'do not need to return to their home states unless further ordered by a court to do so.'

Speaking from the Oval Office, Trump has now hinted he would bring back the 218-year-old act to overstep the opposition, local protests and any setbacks in court.

“We have an Insurrection Act for a reason,” he said. "If I had to enact it, I’d do that — if people were being killed and courts were holding us up, or governors or mayors were holding us up.”

The news comes as Trump declared an emergency at the US border immediately after being sworn into office in January this year and not long after, brought back the 18th century 'Alien Enemies Act' of 1798 to controversially fuel mass deportations of migrants.

Members of the Texas National Guard are currently in Illinois (Scott Olson/Getty Images)

He then deployed troops to the streets of LA in June this year to tackle protests that had erupted in the wake of his aggressive immigration raids.

The POTUS had hoped to replicate the plan across Portland, Oregon, and Chicago against the consent and support of state and local officials.

Critics claim the initiative is unconstitutional and unneeded.

Democratic Illinois Gov JB Pritzker slammed the move as a 'Trump invasion' claiming 'no officials from the federal government' had liaised with him when hundreds of troops descended on the city.

“There is no insurrection here,” he reasserted. "Donald Trump is using our service members as political props and pawns in his illegal attempt to militarise our nation’s cities.”

Yet the White House has defended the deployments, with press secretary Karoline Leavitt stating: "It’s a shame that we see in some cities across the country, that their mayors are just simply refusing to co-operate because they don’t like Donald Trump.

“That’s what this boils down to.”

Vice president JD Vance also appeared to confirm the theory, telling NBC on Sunday (October 12): "The president’s looking at all of his options."

He added that the administration is 'talking about this because crime has gotten out of control in our cities.'

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