The immigrant is thought to have crossed the border ilegally between Rio Bravo and El Cenizo, Texas.
Harris arrived at 9.59 local time (14.59 GMT), in the middle of a strong security device, at the presidential headquarters, where she was received by the Mexican president
A drone flying over an area of the southern border captured images of some 40 migrants entering the U.S. illegally
Fox News reporter Bill Melugin posted a series of videos showing the arrival of a group of migrants crossing the Rio Grande. The group said they were coming from Venezuela
Drug cartels offer up to $3,000 per trip for teenagers or young adults to help smuggle migrants
The vice president was named President Biden's crisis manager last month, but has yet to hold a press conference on her duties after 27 days in office.
The Biden administration is ultimately destroying our immigration system by opting for an "open borders" policy that directly leads to a massive number of border crossings.
The Biden administration negotiated with representatives of those three countries, who "committed to increase security" at their respective borders, said White House spokeswoman Jen Psaki
"I was coming with a group of people and they left me stranded, I don't know where they are," one child told reporters