Hundreds of immigrants have been dropped off by U.S. Immigration and Customs Enforcement at a bus station in downtown El Paso, CBS affiliate there, KDBC-TV. El Paso's outgoing and incoming representatives in the U.S.
ICE fired back, blaming Congress for the sudden releases.
ICE bussed 214 migrants to the depot Sunday night and some 200 more in the day Monday, which left El Paso's Office of Emergency Management and charities scrambling two days in a row, KDBC said.
Greyhound told CBS News ICE sent the first group "without warning" and did something similar on Oct. 26.
Volunteers came to the bus station to donate and hand out food and other items.
Rep. Beto O'Rourke, a Democrat, said in an interview posted on Twitter, "We're trying to make that the ICE gives the community notice next time they know it's not going to work in existing migrant shelters, to give the community 24-hours head-up "so it can prepare.
"… we expect another 200 on Christmas Day and it's possible we'll see it again."
O'Rourke also said, "ICE admitted that they made a mistake" in "failing to notify local and charity officials of their plans so they could
"We just need a little bit of a head up so that folks are not … literally dumped at a bus station without money or on the ground street, "O'Rourke said.
" We're a little perplexed because this is not what ICE does, "said Dylan Corbett, director of the Hope Border Institute. Corbett said the federal agency usually communicates with Annunciation House, a nonprofit shelter, so it's been prepared for large intakes.
O'Rourke's replacement, Rep.-Elect Veronica Escobar, so a Democrat, released a statement saying in part, "The It is unacceptable. "
ICE countered by pointing at lawmakers, saying in a statement," After decades of inaction by Congress, the government remains The ICE has curtailed reviews of post-release plans from families apprehended along the way southwest border.
"ICE continues to work with local and state officials and NGO partners in the area so they are prepared to provide assistance with transport on or other services. "
O'Rourke did not run for re-election, instead challenging Republican Texas Sen. Ted Cruz for his seat. O'Rourke lost and impressed observers by simply falling over three points in a long shot Republican state and with his fundraising prowess and ability to draw and excite crowds.