Civil rights attorneys sued the Trump administration on Wednesday to gain access to detained migrants who they say have been flown to Guantanamo Bay and held there without being able to consult lawyers or speak to relatives.

The American Civil Liberties Union filed a lawsuit on Wednesday seeking access to dozens of migrants flown to a U.S. naval base in Guantanamo Bay, Cuba, saying they were being denied the right to an attorney.

WASHINGTON—The American Civil Liberties Union sued the Trump administration Wednesday for access to migrants transported from the U.S. mainland to Guantanamo Bay Naval Base in Cuba, arguing that the government is denying rights the detainees may have under the Constitution and federal law.