Story highlights Letter signed by 145 lawyers says attacks on judges are "improper and destructive"

Complaint to DoJ comes after Trump attacked judge who halted travel ban

(CNN) A group of lawyers have written a letter to the heads of the Department of Justice to complain about the President's attacks on the judiciary.

Appellate lawyers from across the country wrote the letter to Acting Solicitor General Noel Francisco and Acting Attorney General Dana Boente complaining about the attacks, including a Twitter tirade against a judge who temporarily blocked one of Trump's executive orders.

The letter says that it is acting on the behalf of judges, who the signatories say can't respond to Trump's attacks as they are prevented from speaking out publicly due to ethical constraints.

This letter, first reported by law blog Above the Law , is signed by 145 attorneys who maintain federal practices or have served as federal law clerks.

The author of the letter, Laura W. Brill, an appellate attorney and former US Supreme Court law clerk, wrote: