Sex abuse claims raise pressure to reunite migrant families

FILE - In this April 9, 2018, file photo, the international border between Mexico and the United States is seen from Nogales, Ariz. Russians, Peruvians and Mexicans were among over 70 immigrants arrested last week in Arizona during a weeklong operation by U.S. Immigration and Customs Enforcement, officials said Friday, Aug. 31, 2018. (AP Photo/Matt York, File)

SAN DIEGO — The Trump administration is under increasing pressure to speed up the reunification of immigrant families it separated at the Mexican border, following allegations three youngsters were sexually abused while in U.S. custody.