By Laura Gottesdiener and Lizbeth Diaz CIUDAD JUAREZ, Mexico (Reuters) - Mexican authorities have begun constructing giant tent shelters in the city of Ciudad Juarez to prepare for a possible influx of Mexicans deported under U.

Mexico was raising sprawling tents on the U.S. border Wednesday as it braced for President Donald Trump to fulfill his pledge to reverse mass migration.

"It's unprecedented," said Ciudad Juarez municipal official Enrique Licon as workers unloaded long metal bracings from tractor trailers parked in the large empty lot yards from the Rio Grande in order to build a tent city for deportees from the United States.

President Trump took action to close the nation’s southern border and terminate a widely used app. Many migrants expressed despair, and some moved to cross the border anyway.

Nidia Montenegro fled violence and poverty at home in Venezuela, survived a kidnapping as she traveled north into Mexico, and made it to the border city of Tijuana on Sunday for a U.S. asylum appointment that would finally reunite her with her son living in New York.

Mexico is readying emergency facilities in multiple cities to house the thousands of people Donald Trump is expected to return to the country as part of his planned nationwide campaign of mass deportations.

TIJUANA, Mexico (AP) — They came from Haiti, Venezuela and around the world, pulling small rolling suitcases crammed with clothing and stuffed animals to occupy their children. They clutched cellphones showing that after months of waiting they had appointments — finally — to legally enter the United States.

The city of Tijuana approved an emergency declaration in preparation for a possible influx of migrants after Donald Trump's inauguration.

Migrants in Mexico who were hoping to come to the U.S. are adjusting to a new and uncertain reality after President Donald Trump began cracking down on border security.

Workers handled beef in Avellaneda in the province of Buenos Aires, Argentina. People cooled off in Arpoador beach in Rio de Janeiro.

TIJUANA, Mexico (AP ... was in the last group to cross the border with the CBP One in Ciudad Juarez, across from El Paso, Texas. “We are a little safer now because we are here,” he ...

Trump could be sending 10,000 troops to the border with Mexico as part of ‘national emergency’ - Border Patrol will reportedly expand detention capacity alongside surge in federal troops