Thousands of migrants wait a few hours south of Eagle Pass, Texas, to catch trains headed for the southern border

Three migrants, including a female adult and two children, drowned in the Rio Grande in Eagle Pass, Texas, on Saturday. Congressman Henry Cuellar (D) said the incident occurred on Saturday morning. Texas blocked Border Patrol from miles of US-Mexico border, congressman says.

Thousands of migrants lined railroad tracks in Piedras Negras, Mexico, waiting for a chance to jump aboard to the southern border. The migrants are expected to arrive in the coming days. They're expected to be caught by a freight train headed for the border in the next few hours.

Southern border hit by record number of migrant encounters in a single day as thousands flood into Texas. Lawmakers struggle to find agreement on solutions as situation continues to spiral. Thousands of migrants flood into the border from across the world over the past few days. Thousands more are expected to flood the border into the U.S. on Monday.

Blinken is meeting with Mexico's president this week as the crisis shatters records. Blinken will meet with Mexican President Enrique Pena Nieto this week to discuss the crisis. Watch live from Eagle Pass, Texas, to see how illegal immigrants stream over the US border at Eagle Pass.