Tensions have built as almost 3,000 migrants from the caravan poured into Tijuana in recent days after more than a month on the road - and with many more months likely ahead of them while they seek asylum in the U.S. The federal government estimates the number of migrants could soon swell to 10,000.
U.S. Department of Defence personnel install barriers requested by Custom and Border Protection at the San Ysidro port of entry in San Diego, California under the Operation Secure Line anticipating the arrival of Central American migrants heading towards the border, as seen from the Mexican side of the border in Tijuana, Mexico, on November 13, 2018.
Homeland Security shut down incoming traffic at the country's busiest land-border crossing in order to harden the port of entry, Secretary Kirstjen Nielsen said Monday. A report from Politico on Monday suggested that troops who were dispatched to the border as part of President Donald Trump's vow to prevent the massive migrant caravan from entering the country will start returning home this week, with a full disengagement planned by December 15.
Long lines backed up in Tijuana, where many people have to cross the border to work on the USA side.
Northbound lanes at the San Ysidro crossing from Tijuana to San Diego, California, were temporarily closed 'to position additional port hardening materials, ' a U.S. CBP spokesperson said.
"The returning service members include engineering and logistics units whose jobs included placing concertina wire and other barriers to limit access to ports of entry at the US-Mexican border", the website added.
"We determined that the mission was absolutely legal, and this was also reviewed by Department of Justice lawyers", Mattis said. News is reporting that the Department of Homeland Security has infiltrated the caravan's WhatsApp network, and they have paid informants within the group.
Deportarán a venezolanos que causaron disturbios en un campamento de Bogotá
El campamento venezolano en la localidad de Engativá ha generado tensión entre los ciudadano. "Estas normas fueron rotas por algunas de las personas", agregó Vélez.
The San Ysidro port of entry at the U.S. -Mexico border is seen from Tijuana, Mexico, on November 16, 2018. It is the busiest border crossing between the two countries, with about 110,000 people entering the United States every day in 40,000 vehicles.
About 6,000 Central Americans have reached the border cities of Tijuana and Mexicali, according to local officials.
Unmoved by their plight, many disgruntled Tijuana residents are accusing the migrants of being messy, ungrateful and a danger to their city.
But the authorities weren't guarding against the thousands of migrants who've come to Tijuana in recent days on their journey to seek asylum in the United States.
Other bands of mostly Salvadorans followed, with a small group setting off on Sunday from San Salvador.
He tweeted on Sunday that the USA is "ill-prepared" for the migrants and "will not stand for it".