US fires tear gas across Mexico border to stop migrants

Migrants run as tear gas is thrown by U.S. Border Protection officers to the Mexican side of the border fence after they climbed the fence to get to San Diego, Calif., from Tijuana, Mexico, Tuesday, Jan. 1, 2019. Discouraged by the long wait to apply for asylum through official ports of entry, many migrants from recent caravans are choosing to cross the U.S. border wall and hand themselves in to border patrol agents. (AP Photo/Daniel Ochoa de Olza)

Migrants run as tear gas is thrown by U.S. Border Protection officers to the Mexican side of the border fence after they climbed the fence to get to San Diego, Calif., from Tijuana, Mexico, Tuesday, Jan. 1, 2019. Discouraged by the long wait to apply for asylum through official ports of entry, many migrants from recent caravans are choosing to cross the U.S. border wall and hand themselves in to border patrol agents. (AP Photo/Daniel Ochoa de Olza)

TIJUANA, Mexico — U.S. authorities fired tear gas into Mexico during the first hours of the new year to repel about 150 migrants who tried to breach the border fence in Tijuana.

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