The ACLU has filed a federal class-action lawsuit on behalf of immigrants who are being detained by ICE agents and denied bond hearings, contrary to statutory and constitutional law, according to a copy of the complaint.

Agents from the Department of Homeland Security and Immigration and Customs Enforcement have been upending and ignoring decades of federal immigration law by regularly misclassifying immigrants nationwide and placing them in mandatory detention without granting them bond hearings, according to the 19-page complaint, which was filed in Boston on Monday.

If this unlawful practice does not come to an end, “thousands in Massachusetts will be denied due process,” the lawsuit said.

“A bond hearing with strong procedural protections is not mere regulatory grace; it is the base

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