LOWER MANHATTAN, New York (WABC) -- Advocates, elected officials, and fellow students rallied on Thursday morning for the release of Mamadou Mouctar Diallo.

Mamadou, who is from West Africa, was detained following a routine court appearance at Federal Plaza in Manhattan on August 4 .

The 20-year-old Brooklyn Frontiers High School student is at least the third New York City public school student to be detained by ICE under the Trump administration's rigid immigration policies.

It is a transfer school, serving students who are overage and under credited, according to its website.

City officials have stressed, schools are the safest place for migrants to be.

City leaders say he has no family in the area, and for Education Chair and City Councilmember Rita Joseph, they have one goal in

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