GUADALAJARA, Mexico — The U.S. government said it was starting work on Tuesday to "harden" the border crossing from Tijuana, Mexico, to prepare for the arrival of a migrant caravan leapfrogging its way across western Mexico.
It said the closures were needed "to install and pre-position port hardening infrastructure equipment in preparation for the migrant caravan and the potential safety and security risk that it could cause."
On Thursday, 1,100 Marines from Marine Corps Base Camp Pendleton in California were deployed to support border security, CBS San Diego affiliate KFMB reported.
To the thousands of Central American migrants making their way toward Mexico's Pacific coast state of Nayarit, the prospect of meeting a hostile reception at the border is nothing new.
The thousands of Central American migrants left shelters in Guadalajara early Tuesday and were taken by bus to a highway tollbooth to wait for rides to their next destination.