Migrants Caravan

US closes major crossing as caravan migrants mass at border in Mexico

U.S. authorities closed off the busiest port of entry along the U.S. border with Mexico on Sunday and fired tear gas at members of a Central American migrant caravan who had rushed the fencing that separates the countries.

Although the number of people at the border was relatively small, the unrest — with migrants attempting to climb fences and run through car lanes to reach the United States, and scenes of mothers and children choking on tear gas — represented a serious escalation of the crisis.

What began Sunday morning as a migrant protest of the slow pace of the U.S. asylum claims process devolved into a chaotic scramble in which hundreds made their way to the border hoping to cross onto U.S. soil. To block that from happening, and as some threw rocks and bottles, Customs and

Border Protection (CBP) officers took the rare step of firing tear gas into Mexico as well as closing all legal vehicle and foot traffic to the San Ysidro border crossing, which U.S. officials say normally has about 100,000 visitors per day.