Florida lawmakers worried about “humanitarian concerns” were denied entry into the new detention center dubbed as “Alligator Alcatraz” Thursday, just hours after the arrival of its first group of detainees.

A group of democratic state lawmakers were turned away after attempted to walk in through the front gates of Alligator Alcatraz. Despite mounting concerns over the conditions inside, the facility received its first detainees on Wednesday.

Following the opening of 'Alligator Alcatraz', Camp Blanding is set to become the state’s second immigration detention center. What you should know.