Democratic Sen. Elizabeth Warren Elizabeth WarrenJudd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report Biden's fiscal program: What is the likely market impact? MORE (Mass.) praised the efforts of protesters calling for an end to gun violence on Saturday, as hundreds of thousands of people gathered for marches across the country and in her home state of Massachusetts.

"These are the faces of the people in Worcester and all across the country who are fighting back and demanding change. I love it," Warren wrote in one tweet.

She included pictures of herself surrounded by protesters bearing signs calling for gun control and slamming the National Rifle Association (NRA).

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These are the faces of the people in Worcester and all across the country who are fighting back and demanding change. I love it. #MarchForOurLives pic.twitter.com/ldQAkOvIMB — Elizabeth Warren (@elizabethforma) March 24, 2018

Surprise stop in Worcester to thank our student #MarchForOurLives organizers! pic.twitter.com/NkD8kuCis0 — Elizabeth Warren (@elizabethforma) March 24, 2018

Warren also posted photos and live videos from Boston and Springfield, Mass., in support of students who held rallies in solidarity with the "March For Our Lives" taking place in Washington, D.C.

In a CNN interview Saturday, Warren commended the students surrounding her for "how powerful" the gun control movement has become.

"They have found their voices, they have organized and figured out how to organize and strengthen their voices. They are determined, and they are going to make a change in this country," she said alongside a group of students.

Sen. Elizabeth Warren, who is joining #MarchForOurLives in Boston, says she is struck by "how powerful" the students are https://t.co/B70pxOHOIL https://t.co/amLlDaguJW — CNN Politics (@CNNPolitics) March 24, 2018

Warren argued earlier this week that the student-led movement would "spring us free" from the influence of powerful pro-gun rights lobbyists whom critics have singled out as bystanders in the epidemic of gun violence.

Survivors of the Feb. 14 high school shooting in Parkland, Fla., who have become national faces of the renewed push for gun control, have criticized the NRA and other groups for donating millions to lawmakers in Congress.