Affected organizations said the move would prevent them from offering critical legal services to migrant children who crossed the U.S. southern border without their parents or legal guardians.

Attorneys filed a lawsuit against the Trump administration Saturday to halt the transfer of 10 migrants detained in the U.S. to Guantánamo Bay Naval Base in Cuba. This marks their second legal challenge in under a month against plans to use the facility for large-scale immigrant detention before deportation.

The lawsuit says there is no legitimate reason to send migrants to Guantánamo because the U.S. has ample detention facility.

Civil rights attorneys sued the Trump administration Saturday to prevent it from transferring 10 migrants detained in the U.S. to Guantanamo Bay, Cuba, their second legal challenge in less than a month over plans for holding up to 30,

The 10 detainees in the lawsuit are men from Venezuela, Bangladesh, Pakistan and Afghanistan with final deportation orders, including some who have been threatened with transfer to Guantanamo

Civil rights attorneys have filed a lawsuit against the Trump administration to prevent the transfer of undocumented immigrants from the United States to Guantánamo Bay, Cuba