A man traveling with a Central American migrant caravan carries a Guatemalan flag at sunrise as the group leaves Mexicali for Tijuana, Mexico, Tuesday, Nov. 20, 2018. Tensions have built as nearly …

A man traveling with a Central American migrant caravan carries a Guatemalan flag at sunrise as the group leaves Mexicali for Tijuana, Mexico, Tuesday, Nov. 20, 2018. Tensions have built as nearly 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. (AP Photo/Rodrigo Abd)