Immigration and Customs Enforcement (ICE) postponed an immigration crackdown operation in Aurora, Colorado claiming knowledge of the effort had spread throughout the community and agents could be affected.

Undocumented immigrants have rights during arrests, a local hotline to detect ICE raids and other tools to handle deportations.

Former ICE official John Fabbricatore told Newsweek: "We're serious about how we're going to treat these terrorist[s] and gangs."

WASHINGTON • The U.S. military said Tuesday it will allow Immigration and Customs Enforcement to detain migrants at Buckley Space Force Base in Aurora, further widening the Pentagon’s role in

A Colorado military installation is now being used as a holding and processing facility for detained migrants as the Trump administration ramps up mass arrests across the country.

U.S. officials told CBS News that the Denver area is among the next targets for stepped-up immigration arrest operations by ICE.

President Donald Trump announced plans Wednesday to build a massive facility at Guantánamo Bay in Cuba to house deported migrants—following an escalation across the country in recent days as part of what Trump has promised would be the “largest deportation operation” in U.S. history.

Drug Enforcement Administration officials said many of the immigrants were connected to Tren de Aragua and are in Immigration and Customs Enforcement custody.

Also Tuesday, Colorado Public Radio and CBS4 were among outlets that reported the U.S. military was preparing space at Buckley Space Force Base in Aurora for staging, processing and temporary holding of “criminal aliens” detained in ICE operations, according to a U.S. Northern Command statement.

A Venezuelan migrant arrested Tuesday during a U.S. Immigration and Customs Enforcement raid in New York City is a member of the Tren de Aragua gang, Fox News has learned.

Colorado immigrant rights groups and local officials are bracing for the possibility that President Donald Trump’s threatened “Operation Aurora” to round up and deport immigrants who have committed crimes will soon begin.