U.S. fires tear gas across Mexico border to stop migrants - NBCNews.com

U.S. fires tear gas across Mexico border to stop migrants  NBCNews.comAuthorities use tear gas to stop migrants at southern border  Fox NewsBorder Patrol: Tear gas, pepper spray used against rock-throwing migrants at border  CNNWhat We Saw Photographing the Migrant Caravan and the U.S.-Mexico Border | Opinion  NewsweekUS fires tear gas into Mexico as migrants attempt to cross border into San Diego  ABC NewsView full coverage on Google News