Federal immigration authorities arrested multiple migrants in various cities across the U.S. over Memorial Day weekend, according to Immigration and Customs Enforcement.

The arrests happened on Saturday, when they were taken into custody by ICE’s Enforcement and Removal Operations (ERO) officers based in Boston, Denver, Houston, Newark, New York City, Salt Lake City and San Francisco, according to ICE.

Kevin Estuarde Hernandez, 18, of Guatemala, was arrested by ERO Boston along with other federal agencies. Hernandez was in the U.S. without admission or parole. He is a suspected 18th Street gang member who local police in Everett, Massachusetts, say was involved in a shooting between 18th Street and MS-13 gangs.

Carlos Torres Valdovinos was removed to Mexico on Sunday. (ICE)

Torres Valdovinos was removed to Mexico on Sunday, ICE said. The others will remain in custody pending removal proceedings.