Definition: Given a document, generate a short title of the document. The title should convey the main idea/event/topic about which the document is being written. Note that URLs in the text have been replaced with [Link].
Input: The demonstrations outside a federal building in Manhattan were over the detention of Ravi Ragbir (RAH'-vee RAHG'-beer)  a citizen of Trinidad who has been fighting deportation after a fraud conviction.
His lawyer  Alina Das  says  Ragbir  was handcuffed Thursday during a scheduled check-in with immigration officials.
A protester holds a sign demanding the release of  detained Ravi Ragbir  a prominent immigration activist   Thursday  Jan. 11  2017  in New York. New York City police have arrested 18 people  including two councilmen  in protests over the detention of the activist. (AP Photo/Kathy Willens)
Police arrested demonstrators who sat in the street and blocked an ambulance  thinking  Ragbir  was inside. City Councilmen Ydanis Rodriguez and Jumanne Williams  both Democrats  were among those arrested.
Demonstrators arrested protesting the detention of  detained Ravi Ragbir  a prominent immigration activist   Thursday  Jan. 11  2017  in New York. New York City police have arrested more than a dozen people  including two councilmen  in protests over the detention of the activist. (AP Photo/Kathy Willens)

News of activist's detention leads to NYC supporter arrests