World Blog is closing down for the evening. We'll be back Tuesday morning.
You can follow major developments in Egypt overnight on msnbc.com's Middle East in Crisis special section and from our partners, The New York Times. You can track real-time developments on breakingnews.com and on Twitter at @breakingnews.
Other good sources:
• The BBC has live updates here.
• The U.S. Embassy in Cairo is posting official U.S. government updates and travel advisories.