In Photos: Tear Gases at the US Border

A Central American migrant wrapped in a US flag looks at the almost dry riverbed of the Tijuana River near the El Chaparral border crossing near the US-Mexico border in Tijuana.

Photograph: Guillermo Arias/AFP/Getty Images

United States military personnel and border patrol agents secure the US-Mexico border at the San Ysidro border crossing.

Photograph: Sandy Huffaker/AFP/Getty Images

A group of Central American migrants – mostly Hondurans – climb a metal barrier on the Mexico-US border near Tijuana.

Photograph: Pedro Pardo/AFP/Getty Images