Israeli missiles have targeted Hezbollah positions in southern Lebanon as the crisis escalated nine days after it began.
Fierce fighting between Israeli forces and Hezbollah has been waged inside the Lebanese border.
Hundreds of people have been killed and injured in Lebanon since the fighting started.
The capital, Beirut, has been heavily hit, with Lebanese PM Fouad Siniora saying his country has been "torn to shreds".
The evacuation of foreign nationals is being stepped up as the Israeli bombardment continues.
The operation included US citizens brought out via USS Nashville landing craft on a beach north of Beirut.
Hezbollah rockets have continued to rain down on northern Israel, killing more than a dozen civilians and injuring many others since the crisis erupted.
Israel insists its campaign is justified to defend itself against the ongoing Hezbollah attacks, and to retrieve its two captured soldiers.
But with the crisis in its second week, and with civilians on both sides bearing much of the brunt, the UN says the humanitarian crisis is worsening by the hour.
Protests against Israel's actions have been held in a number of cities across the Middle East.