ICE agents can arrest people they discover to be in the US illegally while searching for people on their target list.
The Trump administration is expected to launch raids on up to 2,000 migrant families facing deportation orders in up to 10 USA cities including Los Angeles, Houston, Chicago and Miami, local media reported Friday.
Migrant families, who had received final orders of removal by judges in absentia, were sent letters in February from ICE, asking them to self-report to local ICE offices by March to comply with the orders, Morgan said.
Pelosi on Saturday pushed for Trump to halt the actions that would impact at least 2,000 migrant families.
Advocacy groups say they're mobilizing beginning Sunday in anticipation of the operation. People can't go to a church or a place that they can't be arrested at.
President Trump gave the first public word of the planned sweep earlier this week, saying in a tweet that an operation was coming up and the agency would begin to remove "millions" of people who were in the United States illegally.
It's also slightly unusual to target families - as opposed to immigrants with criminal histories - but not unprecedented. The Obama and Trump administrations have targeted families in previous operations. In one case in Houston a year ago, a young father of five was arrested in the parking lot of his apartment building after ICE agents asked him about people who lived nearby, then demanded his identification and eventually detained him.
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Slack's stock price ended up at $38.62 a share on its first day on the market after reaching a high of $41.95 on a busy Thursday. Mr Butterfield said he thinks that the practice of direct listing has the potential to catch on more widely after this week.
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But it's unclear how much the industry can benefit, as it faces competition from cheap natural gas and renewable sources. Legal challenges from at least six states and multiple environmental groups are expected.
The President's move follows criticism from the cities' mayors and House Speaker Nancy Pelosi among others.
Baltimore Mayor Jack Young tweeted that he was "deeply disturbed" by the president's plans.
Gov. Andrew Cuomo is calling the raid plans "shameful".
Meanwhile conservative media and politicians often talk about incidents when illegal immigrants committed crimes and returned to the U.S. after being deported. "New York will continue to be the beacon of inclusion and diversity that the nation and the world looks to".
"I have directed - and Superintendent Johnson has confirmed - that CPD has terminated ICE's access to CPD's databases related to federal immigration enforcement activities".
'I have also personally spoken with ICE leadership in Chicago and voiced my strong objection to any such raids.
Speaking with the LA Times, Los Angeles Police Chief Michel Moore echoed the mayor's statement that city police would not be involved in the ICE raids.
"Los Angeles will always stand with our immigrant brothers and sisters, and our law enforcement officers will never participate in these actions", Garcetti said in a statement.