Federal agents appeared to have arrested multiple people inside Chicago’s immigration court on Wednesday, lawyers told the Tribune.

While Trump campaigned on a pledge of mass removals of what he calls “illegals,” he’s struggled to carry out his plans amid a series of lawsuits, the refusal of some foreign governments to take back their nationals and a lack of detention facilities to house migrants.

It's the latest step taken by the Trump administration to dramatically ramp up immigration arrests across the country.