After news broke Thursday morning of Andrew Breitbart's death, many took to Twitter to memorialize the conservative journalist.
Breitbart passed suddenly early Thursday morning. According to his website Big Journalism, Breitbart died "unexpectedly from natural causes shortly after midnight this morning in Los Angeles." He was 43 years old.
Breitbart, who was a regular commentator on cable news programs, became well-known for his time at the Drudge Report. He also played an early role at The Huffington Post.
Breitbart was a best-selling author and columnist. His newest book "Righteous Indignation: Excuse Me While I Save the World!" was on the New York Times bestseller list.
Twitter reacts to Breitbart's death:
Andrew Breitbart dead in LA at 43
Conservative blogger Andrew Breitbart is dead at age 43
Publisher Andrew Breitbart Dead at 43
Need to Know News: Well-known conservative blogger Andrew Breitbart dead at 43 ...
Washington Times Contributor Andrew Breitbart Dead At Age 43
Conservative Jewish Blogger Andrew Breitbart, Dead at 43, Reports Say (VIDEO)
Conservative Political Activist and Blogger Andrew Breitbart Dead
Posted: 03/01/12 10:26 AM ET | Updated: 03/01/12 03:10 PM ET