Border clash was at least 2nd use of tear gas since November

Migrants run after U.S. Border Patrol agents throw tear gas to the Mexican side of the fence after the migrants climbed the border fence to get into the U.S. side to San Diego, 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 — Just after people raised their glasses to ring in the New Year, about 150 migrants gathered at a section of border wall in Tijuana to try to cross into the United States, many of them asylum seekers fed up with the long wait to have their claims processed.