Israel recently staged several aerial bombing raids in Syria. These were flagrant acts of war -- and were clearly opportunistic -- given Syria's ongoing civil war.
Some have plausibly speculated that the raids were prompted by recent victories by the Assad regime. It appears that Assad is gaining ground against the rebels.
Thus, Israel's raids may have been an attempt to provoke Syria into a response that could be used asa justification for direct western intervention.
Clearly, we are on the brink of a wider war.
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