U.S. Fires Tear Gas To Stop Migrants From Breaching Border Fence

U.S. authorities fired at least three volleys of tear gas into Mexico during the first hours of the new year to stop about 150 migrants who were trying to get around the border fence in Tijuana. U.S. Customs and Border Protection says the gas was aimed at rock throwers on the Mexican side who prevented agents from helping children who were being passed over the concertina wire