A caravan of Central American migrants attempting to reach the U.S. border took a break on Sunday, stopping in Tapanatepec, Mexico.
The news came the same day that Defense Secretary Jim Mattis announced that the military has already begun delivering countermeasures to the southern border.
The Pentagon has sent jersey barriers in conjunction with plans to deploy active duty troops there, and full details of the number of troops to be deployed as well as their roles should be announced Sunday night, he told reporters.
https://www.foxnews.com/world/migrant-caravan-stops-in-mexico-same-day-mattis-says-us-military-is-deploying-resources-to-border
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https://en.wikipedia.org/wiki/Jersey_barrier
Designs with two rectangular notches at the bottom (through the short axis) allow for forklift-style lifting by front-end loaders. Barriers meant for short-term placement, especially in military and security barrier uses, might include steel rebar loops embedded in the top surface for rapid hook-and-cable system lifting.
The 2010 G-20 Toronto summit used modified modular Jersey barriers with wired fencing bolted onto the concrete. The fence used the barrier as sturdy base to prevent protesters from toppling the fence around the security zone at the Metro Toronto Convention Centre.