CNN.com

World Trade Center towers collapse after planes hit, 10,000 emergency workers head to scene

Part of Pentagon collapses after plane crashes into it; White House, Capitol evacuated

American, United both confirm losing two planes each. The American planes alone held about 150 people.

U.S. SCENE:

FAA grounds all U.S. flights until noon Wednesday

Sen. John McCain calls attacks 'act of war'

U.S. Navy vessels deploy off East Coast

Kennedy Space Center, LAX, Disney Florida parks closed

WORLD SCENE

Israel evacuates embassies

Taliban issues statement to tell U.S. 'Afghanistan feels your pain'

Non-essential NATO employees asked to leave Brussels HQ

RESCUE AND AFTERMATH:

Giuliani: 1,500 'walking wounded' in New York City

Washington, D.C., hospitals report 53 casualties, no fatalities as rescue efforts continue