A priest will hold mass outside the controversial Everglades detention center on Saturday morning. Follow for live updates from 'Alligator Alcatraz.'

In a legal filing Wednesday, detainees at Alligator Alcatraz and their lawyers allege the tent camp on an airstrip in the Everglades has become a squalid place with limited access

Construction of “Alligator Alcatraz” could be halted indefinitely as a federal judge considered whether the development on wetlands violates environmental laws.

A federal judge is deciding whether to close or keep open a detention site in the Everglades, which environmentalists and the Miccosukee Tribe claim violates the National Environmental Policy Act and threatens endangered species and tribal homelands.

Alligator Alcatraz came to life in June after Florida's attorney general announced on social media that a detention center would be built in Collier.

Alligator Alcatraz is a temporary migrant detention center near the Florida Everglades. The controversial center reportedly has a capacity of up to 3,000 detainees, housed in FEMA tents and trailers.

Religious leaders, advocates and family members of detainees gathered for a vigil outside Alligator Alcatraz. Officials deny their claims.

The Mass will mark the Rev. Frank O'Loughlin's 60th year as a priest, all of them spent serving farmworkers and immigrants across southern Florida.