ADELANTO, Calif. (KABC) -- Several bishops, clergy and other diocese leaders from across California celebrated mass Wednesday with more than 300 undocumented immigrants being held at a detention facility in Adelanto.

The visit is part of the California Catholic Conference's efforts to reach out to migrants, refugees and those facing immigration proceedings.

"This is just an opportunity for us as the Catholic Church to do what we always do," said Bishop Alberto Rojas of the Diocese of San Bernardino. "To feel compassion and mercy for those most vulnerable, people who are suffering and have no voice."

The mass occurred inside the ICE facility in Adelanto Wednesday afternoon.

The bishops were not allowed to speak individually with the detainees and were separated from them by a fence. Gu

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