Texas Air National Guard personnel responded to Gov. Abbott's call to deploy the Texas Tactical Border Force to the Rio Grande Valley.

Texas Gov. Greg Abbott deployed the troops to the Rio Grande Valley, where he said they'll work side-by-side with U.S. Border Patrol agents to keep migrants from illegally entering the country. Some of those troops left from the U.S. Naval Air Station Joint Reserve Base in Fort Worth Monday morning. The others left from a base in Houston.

Texas Gov. Greg Abbott said the additional troops will work alongside federal border agents amid the Trump administration's crackdown on immigrants.

Texas Gov. Greg Abbott (R) is sending hundreds of soldiers in the Texas Military Department to work with the U.S. Border Patrol in the Rio Grande Valley.

The newly deployed forces will join thousands of Texas National Guard soldiers already stationed at the border as part of Operation Lone Star.

The governor said the teams will help find, arrest and deport people who entered the country illegally and have active warrants for their arrests.

Texas Governor Abbott mobilizes the Tactical Border Force to reinforce security along the Texas-Mexico border in collaboration with federal authorities.

The 400 members of a special tactical unit left bases in Houston and Fort Worth on Monday morning, according to the governor’s office.

Gov. Greg Abbott deploys 400 soldiers to the Texas-Mexico border, supporting Trump's mass deportation and border security efforts.

Governor Greg Abbott has directed the Texas Division of Emergency Management (TDEM) to deploy additional state resources, including swiftwater rescue boat squads and urban search and rescue teams. Among them is a Fort Worth Fire Rescue squad, which deployed this morning to stage in Abilene and could be moved depending on the evolving situation.

The state has vowed to assist the president in his efforts to revamp immigration. But Texas' biggest cities and school districts are more reluctant to help.