U.S. authorities arrested 32 people at a demonstration Monday that was organized by a Quaker group on the border with Mexico, authorities said. Demonstrators were calling for an end to detaining and deporting immigrants and showing support for migrants in a caravan of Central American asylum seekers.

A photographer for The Associated Press saw about a dozen people being handcuffed after they were told by agents to back away from a wall that the Border Patrol calls “an enforcement zone.” The American Friends Service Committee, which organized the demonstration, said 30 people were stopped by agents in riot gear and taken into custody while they tried to move forward to offer a ceremonial blessing near the wall.

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