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SAN ANTONIO (AP) — A federal official says immigration agents conducted raids in several states over the weekend and detained 121 adults and children who have been slated for deportation.

Department of Homeland Security Secretary Jeh Johnson said in a statement Monday that those detained in the raids in Texas, Georgia and North Carolina were primarily members of Central American families that crossed the U.S. border with Mexico since May 2014. Most were placed in family detention centers in Texas to await deportation.

The detentions constitute a small portion of the more than 100,000 Central Americans who crossed into the U.S. during an immigration surge that began in 2014. Johnson did not say whether more raids were planned.

The families targeted in the raids had been issued final removal orders by immigration courts.

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