Obama warns Syria: Do not to cross the red line, the world is watching

Chemical Weapons Syria President
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The US President warns Bashar al-Assad that the use of chemical or biological weapons in Syria is a "red line" that should not be crossed.

"I want to make it absolutely clear to Assad and those under his command -- the world is watching," President Barack Obama said during a speech at the National Defense University in Washington.

"The use of chemical weapons is and would be totally unacceptable. And if you make the tragic mistake of using these weapons, there will be consequences and you will be held accountable," he said.

Obama has previously warned that any use of chemical weapons by Syria in its civil war would be crossing a "red line" that would prompt a swift U.S. response.

Earlier on Monday, Secretary of State Hillary Clinton issued a similar warning.

Meanwhile US forces in the region, Israel, Turkey and Jordan were all braced Monday night, December 3 for action against Syria in case Syrian President Bashar Assad ordered his army’s chemical warfare units to go into action against rebel and civilian targets his own country.

None of the Middle East capitals are talking openly about this eventuality to avoiding causing panic.

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