More than 400 additional Texas National Guard troops arrived at the Texas-Mexico border on Monday. Texas Gov. Greg Abbott deployed the troops to the Rio Grande Valley, where he said they'll work side-by-side with U.

The new Texas National Guard and military troops sent recently to the Rio Grande Valley will assist Border Patrol agents on the border of South Texas. They were holding training exercises Tuesday

Gov. Greg Abbott on Monday said he's sending more than 400 soldiers from Houston and Fort Worth to the U.S.-Mexico border to collaborate with Border Patrol agents, according to new reporting from the Texas Tribune.