Hours after the Pentagon announced that it would send 1,500 active duty troops to the U.S.-Mexico, reports surfaced that the number was actually 10,000.

US law enforcement agents carried out exercises using barbed wire and concrete blocks Friday at a crossing on the border with Mexico as tensions crept up ahead of President-elect Donald Trump's inauguration.

The Trump administration has ended use of the border app called CBP One that allowed nearly 1 million people to legally enter the United States.

In an empty lot tight against the border with El Paso, Texas, cranes lifted metal frames ... At a border crossing in Tijuana, Mexico, on Tuesday night, one man shouted to journalists that he ...

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