Trump administration officials have chosen an Oklahoma military base that was used as a World War II internment camp for Japanese and Japanese American people to shelter undocumented immigrant children apprehended at the border without an adult.

Starting as soon as July, Fort Sill will be used as a temporary emergency influx shelter to mitigate overcrowding at existing facilities, the Department of Health and Human Services Office of Refugee Resettlement said Tuesday. The agency cited a dramatic spike in unaccompanied minors detained by border officials this year just under 41,000 as of April 30, an almost 57% increase from the same period in 2018.