The U.S. Treasury sanctioned six leaders and affiliates of the Venezuelan gang Tren de Aragua, including the head of the group, known by the alias "Niño Guerrero."

The U.S. sanctioned six individuals tied to Tren de Aragua. Officials said the group is behind crimes spanning the Western Hemisphere.

The Treasury Department sanctioned the leader of Tren de Aragua and five other high-ranking members of the vicious Venezuelan prison gang on Thursday, as part of a crackdown on its illicit drug and human trafficking schemes.