Tucson Sector agents responded to the illegal entry of a group of 197 migrants. Agents determined that 147 of them were unaccompanied migrant children, mostly from Guatemala.
Two days prior, agents encountered a group of 48 migrants near Sasabe, Arizona. 39 were juveniles, from age 5 to 17. 27 were children from Guatemala.
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All members of both groups were transported to Tucson for processing.
Through June, Tucson Sector Border Patrol says it has encountered more than 13,600 noncitizen unaccompanied children, a 189 percent increase over last year.