At least 60 people were killed, and many are still missing.

Protests have erupted in several Islamic countries.

Panetta said Libyan officials have made a "strong effort" to improve security.

Order follows a wave of violence triggered by a viral anti-Islam video.

Two influential clerics condemned the violence.

Obama said those killed were working to bring freedom and dignity to everyone.

U.S. embassies throughout the Middle East and beyond have become the target of at least 20 protests.

The shooting occured where government forces have been fighting a rebel insurgency.

Protesters demand that President Omar al-Bashir step down.

Decision comes as Sudan finds itself in dispute with south over oil territories.