Donald Trump tried Saturday to invoke a law last used during World War II against Japanese residents to target a Venezuelan gang -- only to find his decision blocked by a judge.The US president had issued an order to deport alleged members of the Venezuelan drug gang Tren de Aragua,

Tren de Aragua, a gang born out of a Venezuelan prison, is a loose network that doesn’t operate like groups typically considered terrorist organizations.

President Donald Trump on Saturday invoked a little-used wartime law to expedite the deportation of alleged members of the Venezuelan gang Tren de Aragua, saying the country was facing an "invasion" from a criminal organization that has been linked to kidnapping,