The FBI has arrested a Milwaukee judge accused of helping a man evade immigration authorities. Friday's arrest escalates a clash between the Trump administration and local authorities over the president’s sweeping immigration crackdown.

The Trump administration significantly ramped up its clash over immigration with officials at the state and local level on Friday after FBI agents arrested a county judge in Milwaukee, accusing her of obstructing an immigration arrest.

The arrest marks a significant escalation in the Trump administration's crackdown on immigration, as well as in its battles with judges across the country.