Clinton's video discussing her concerns with Libya and Iran at a U.N. meeting in Geneva, Switzerland, can be viewed below.

The United States has frozen at least $30 billion in Libyan government assets, a U.S. Treasury official announced Monday -- one of a series of steps being taken by international leaders designed to break strongman Moammar Gadhafi's grip on power.

The $30 billion is the largest amount ever blocked under any sanctions program, according to David Cohen, the acting Under Secretary for Terrorism and Financial Intelligence.

American officials slapped the sanctions on Libya last Friday.

President Barack Obama, meanwhile, met Monday afternoon with U.N. Secretary-General Ban Ki-moon to discuss a variety of measures under consideration.

All options are still on the table, Secretary of State Hillary Clinton said at a meeting of the U.N. Human Rights Council in Geneva, Switzerland.

"Gadhafi and those around him must be held accountable (for any actions) which violate international legal obligations and common decency," she said. "Through their actions, they have lost the legitimacy to govern."

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