The streets of Los Angeles rang with the sound of flash-bang grenades on Friday, as camouflage-clad federal agents rolled through the garment district in search of workers who they suspected of being undocumented immigrants. They were met with protesters, who chanted and threw eggs before being dispersed with pepper spray and nonlethal bullets.

Some Democratic-led states are doubling down on their resistance to President Donald Trump's crackdown on illegal immigration.