President Donald Trump used wartime authority to deport nearly 240 alleged Latin American gang members to a mega-prison in El Salvador over the weekend. A federal judge unsuccessfully sought to block the administration’s actions,

(CNN) — The Trump administration has sparked controversy with its move Sunday to deport 261 people, some of whom it alleges are members of the Venezuelan gang Tren de Aragua, to an infamous maximum-security prison in El Salvador.

The United States deported hundreds of men over the weekend alleged to be members of Tren de Aragua, a Venezuelan gang with prison origins that has become a key reference in President Donald Trump's immigration crackdown.