Migrants cross into US under cover of night

Asylum-seeking migrants' families disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas.

Asylum-seeking migrant families ride on an inflatable raft while crossing the Rio Grande river into the United States from Mexico, in Roma, Texas.

Asylum-seeking migrant families wait to be escorted by the US Border Patrol after crossing the Rio Grande river into the United States from Mexico, in Roma, Texas.

Asylum-seeking migrant families disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico, in Roma, Texas.

Asylum-seeking migrant families ride on an inflatable raft while crossing the Rio Grande river into the United States from Mexico, in Roma.

An asylum-seeking migrant father holds his child while waiting to be escorted by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico, in Roma, Texas.

Asylum-seeking migrant families disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico, in Roma, Texas.

Asylum-seeking migrant families disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico, in Roma, Texas.

Asylum-seeking migrant families ride on an inflatable raft while crossing the Rio Grande river into the United States from Mexico, in Roma, Texas.

Asylum-seeking migrant families disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico, in Roma, Texas.