The high-profile Democratic governors of Illinois, Minnesota and New York defended their states' immigration policies in a Republican-led House Oversight Committee on Thursday -- weighing in on the ongoing Los Angeles protests over immigration enforcement.

Los Angeles residents and experts say the National Guard's presence in Los Angeles in response to immigration protests is reminiscent of a long-standing dynamic in the state and around the country.

The National Guard has been deployed to Los Angeles in the past in response to civil disorder and natural disasters.