U.S. officials say active duty military troops are arriving in El Paso, Texas, and in San Diego on Thursday evening

Active-duty military troops are set to begin arriving in El Paso, Texas, and San Diego on Thursday evening, marking the initial phase of deploying new forces to secure the southern border, according to defense officials.

U.S. officials say the Pentagon will begin deploying as many as 1,500 active duty troops to help secure the southern border in the coming days