In Photos: Tear Gases at the US Border

A migrant looks at US border patrol officers through holes in the border wall.

Photograph: Lucy Nicholson/Reuters

Edwin, 35, part of a caravan of thousands travelling from Central America to the US, holds a stuffed dog as he takes part in a demonstration at the border wall between the US and Mexico in Tijuana.

Photograph: Edgard Garrido/Reuters

Migrants climb the border fence in an attempt to cross into the US.

Photograph: Jorge Duenes/Reuters