UPDATE 1-Border traffic halted at busy U.S.-Mexico crossing
Traffic in both directions has been suspended at the San Ysidro port of entry, the agency said on Twitter.
U.S. President Donald Trump has raised alarms about the caravan of migrants as it approached the United States, and has deployed military forces to the border to support the Border Patrol. (Reporting by Lucia Mutikani and Doina Chiacu; Editing by Peter Cooney)
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