Immigrant children now housed in a tent encampment under the new "zero tolerance" policy by the Trump administration are shown walking in single file at the facility near the Mexican border in Tornillo, Texas, U.S. June 19, 2018.

North Korean leader Kim Jong Un and his wife Ri Sol Ju walk upon arriving in Beijing, China, in this undated photo released June 20, 2018 by North Korea's Korean Central News Agency.

North Korean Health Minister Jang Jun Sang meets with United Nations Children’s Fund (UNICEF) Deputy Executive Director Shanelle Hall in this photo released June 20, 2018 by North Korea's Korean Central News Agency.

Austria's Chancellor Sebastian Kurz and EU Minister Gernot Bluemel sit in a train on their way to Linz for a joint cabinet meeting with Bavaria's state government in Vienna, Austria, June 20, 2018.

June 19, 2018; Anaheim, CA, USA; Los Angeles Angels right fielder Kole Calhoun (56) second baseman Ian Kinsler (3) third baseman Luis Valbuena (18) and shortstop Andrelton Simmons (2) celebrate the 5-4 victory against the Arizona Diamondbacks at Angel Stadium of Anaheim.

Jun 19, 2018; Washington, DC, USA; A general view of Nationals Park during the fifth inning between the Washington Nationals and the Baltimore Orioles .

A search and rescue team returns to port with body of a recovered victim after a ferry sank earlier this week in Lake Toba, at Tigaras Port in Simalungun, North Sumatra, Indonesia June 20, 2018 in this photo taken by Antara Foto.

Smoke rises during the annual 4/20 marijuana rally on Parliament Hill in Ottawa, Ontario, Canada, April 20, 2018.

Jun 19, 2018; Denver, CO, USA; New York Mets relief pitcher Hansel Robles (47) delivers a pitch in fourth inning against the Colorado Rockies at Coors Field.

Cast members Peter Fonda, Kristen Schaal, Lewis MacDougall and Vera Farmiga pose at the premiere for the movie "Boundaries" in Los Angeles, California, U.S., June 19, 2018.