SAN DIEGO (AP) — 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.

The government of El Salvador said the three, ages 12 to 17, were victimized at shelters in Arizona, and it asked the U.S. to make their return a priority.

"May they leave the shelters as soon as possible, because it is there that they are the most vulnerable," Deputy Foreign Relations Minister Liduvina Magarin said in San Salvador on Thursday.

The U.S. go...