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Slide a switch to the the Off (gray) position to turn off notifications from that source. A CNN team captured images under the bridge of the final two buses as they departed for US Customs and Border Protection processing centers.A surge of migrants - many of them Haitian - had converged on the temporary site at the bridge, the result of word-of-mouth or social mediaВ posts saying that the border at Del Rio was open, US Border Patrol Chief Raul Ortiz previously said.В At times the number topped 14,000.Chaotic scenes at the bridge, including law enforcement on horseback using aggressive tactics against migrants, had sparked anger from both local and federal officials.Earlier Friday morning, Bruno Lozano, the mayor of Del Rio, Texas, had told CNN just 144 migrants remained, waiting to be processed by US immigration authorities.US Customs and Border Protection facilities along the US-Mexico border are at capacity or over capacity as officials try to process migrants moved from Del Rio in addition to the usual flow, a Department of Homeland Security official told CNN.Some of those processed at these facilities will be released on a case-by-case basis - for example, based on a determination of vulnerability - while the majority is likely to be expelled, the official said.Homeland Security has been moving migrants to other processing facilities along the US southern border to empty the camp under the Del Rio International Bridge. According to DHS, more than 3,900 Haitians have been moved from the Del Rio camp to CBP custody or other sectors of the border to be processed.Homeland Security Secretary Alejandro Mayorkas told CNN's Wolf Blitzer Thursday that a 'very small percentage of the total that assembled in Del Rio, Texas' have been released in the United States while officials continue removal proceedings.'It's a minority of the individuals,' Mayorkas said, adding: 'They are placed in immigration enforcement proceedings where they appear before a judge and if they in fact, make a valid claim to remain in the United States, then of course we honor that. And if not, they are removed as well.'DHS officials have declined to provide a number of how many migrants have been released.Mayorkas confirmed in a news conference Friday that no migrants remained beneath the Del Rio bridge, telling reporters the situation was the 'result of an unprecedented movement of a very large number of people moving to a single point.'In his own news conference, Lozano said the fact no migrants were left was 'phenomenal news.'The rush of migrants had prompted officials to close the bridge temporarily, and in terms of financial loss, Lozano said there was a deficit of $17,000 a day in tolls alone.'We're reaching out to our business communities to see how that's impacted them as well, just because we also have employees that have had to detour up to four hours to get to work,' Lozano said, adding, 'I can tell you that it has been a big toll on businesses, on industry and also the schoolchildren that were going to school here in the United States to the private charter schools.'The bridge will remain closed for another 48 to 96 hours, Lozano said, while officials assess the area around it. That effort includes ensuring the environment is clean by picking up trash that had been left behind, he said.The-CNN-Wire в„ў & В© 2021 Cable News Network, Inc., a WarnerMedia Company.

Surveys based on such samples will be used to measure long-established trends, such as presidential approval or views on the national economy, as well as to take in-depth looks at critical issues.These surveys will also be used to establish benchmark measurements of AmericansвЂ™ political traits, such as party identification, which will then be used in weighting when CNN conducts other types of polling on a shorter time frame.The sample for the new poll released Friday was selected from a list of all residential addresses in the United States. Respondents across the country will be randomly selected based on their mailing address вЂ” a process known in polling as address-based sampling вЂ” and will initially be reached by mail. Assessments of what went wrong suggest that the problem derived from differential non-response вЂ” that is, that the people who took surveys were not the same politically as those who did not.Under the new methodology, CNN and SSRS will carry out polls several times a year using a larger sample and a longer field period than is typically used for news polling.

CNN has incorporated online interviews into its speech reaction polling since 2018 and its first text message poll was released in April 2021.в„ў & В© 2021 Cable News Network, Inc., a WarnerMedia Company. For a small subset of those addresses, follow-up phone calls were made toward the end of the field period to recruit some of those who had not yet gone online nor called in to take the survey.This methodology does not necessarily improve the rate at which people respond to a survey, but it allows for researchers to make better adjustments should differential non-response occur, such as by increasing outreach to underperforming segments of the sample.CNNвЂ™s polling had been conducted almost exclusively by telephone from the beginning of its polling operation in the early 1990s through earlier this year. Those receiving the letters had the choice of taking the survey online or calling a dedicated phone number to take the poll with a live interviewer. There is more complete voter file information available for addresses than there is for phone numbers, for example, and the geographic precision of an address allows for use of data from the Census Bureau to know more about the type of neighborhood a home is in and the demographics of the people who live in that area.To invite potential respondents to take the new poll, researchers mailed letters to each selected address asking for an adult in the household to take part in the survey.

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