Illinois has followed California and Oregon in filing lawsuits to stop President Donald Trump from sending in hundreds of National Guard troops to Democrat-led big cities.

The lawsuit filed Monday by Illinois and Chicago alleges Trump's authorization Saturday to deploy 300 troops to the Windy City is "unlawful and dangerous.”

Trump continues to flex federal power and claims the troops are needed to protect federal buildings during immigration enforcement efforts.

The ACLU of Illinois also filed suit Monday against Trump, DHS, ICE, Border Patrol and several of these agencies’ national and local leaders, accusing them of unleashing a campaign of violence and intimidation against peaceful protesters and journalists during weeks of protests outside an ICE detention facility in Broadview, Illinois.

At the facility, about 12 miles (19 kilometers) west of Chicago, federal agents have repeatedly fired tear gas, pepper balls and other projectiles toward crowds in response and at least seven people have faced federal charges after being arrested in those clashes.

AP Video by Laura Bargfeld