Active-duty military personnel began arriving along the southern border Thursday evening after President Donald Trump ...

The attack came as South Korea’s military said North Korea is preparing to send more troops to join Russia’s fight against Ukraine, despite Pyongyang suffering a high rate of losses among its existing ...

In a letter to U.S. congressional leaders, the governor blamed previous border security policy for leaving Texas “defenseless,” forcing state officials to spend billions.

Immigration and Customs Enforcement officers hit the ground running this week, arresting multiple violent offenders in sanctuary cities.

The recent orders to send 1,500 active duty service members to the southern border is to help current enforcement operations. Cochise County has yet to see any military members at the border.

Mexican soldiers rushed Thursday to set up emergency shelters near the border with the United States ahead of President Donald Trump's threatened mass deportations.

The removal of a portrait of Gen. Mark Milley, the former chairman of the Joint Chiefs of Staff, from a Pentagon hallway was among the president’s early actions.

DHS could request up to 10,000 troops to help with efforts along the U.S.-Mexico border, according to an internal Border Patrol memo obtained by ABC News.

In the future, all social media posts from the Department of Defense will reflect an emphasis solely on "warfighting and lethality" under President Donald Trump, Fox News has learned.

The Newark mayor said residents are being "unlawfully terrorized." The Trump administration has pledged to crack down on illegal immigration.

Donald Trump has sent 1,500 additional troops to the US-Mexico border with plans to increase the US military presence to 10,000 troops in a severe immigration crackdown.

Active duty military troops will begin arriving in El Paso, Texas, and San Diego on Thursday evening, in what defense ...