Mexican flag becomes L.A. protest symbol: What to know

The green, white and red-striped flag of Mexico has become an emerging symbol of resistance in ongoing protests that erupted in Los Angeles over the weekend against the Trump administration's immigration crackdown.

Photos and videos of Mexican flag-carrying protesters demonstrating amid fires and law enforcement in tactical gear have circulated online and in traditional media, drawing the ire of key members of President Trump's administration.

One prominent image shows a masked...