Photos: US-Mexico border checkpoint closed after Central American migrants arrive

Migrants, authorities clash on US-Mexico border
Migrants, authorities clash on US-Mexico border
Migrants, authorities clash on US-Mexico border
Migrants, authorities clash on US-Mexico border
Migrants, authorities clash on US-Mexico border
Migrants, authorities clash on US-Mexico border
Migrants, authorities clash on US-Mexico border
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Migrants break past a line of police as they run toward the Chaparral border crossing in Tijuana, Mexico, Sunday, Nov. 25, 2018, near the San Ysidro entry point into the U.S. More than 5,000 migrants are camped in and around a sports complex in Tijuana after making their way through Mexico in recent weeks via caravan. (AP Photo/Ramon Espinosa)