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Nato said it would hold an emergency meeting on Tuesday following a request from Turkey that invoked Article Four of the alliance's founding treaty, which covers threats to member states' security.
Turkey has already acknowledged that its fighter jet might at some point have entered Syrian airspace. But after an initially cautious response, Ankara toughened its rhetoric on Sunday.
"The Syrians knew full well that it was a Turkish military plane and the nature of its mission," said Davutoglu.
"Nobody should dare put Turkey's (military) capabilities to the test," he warned.
"We will bring this affair before public opinion and international law in the name of Turkey's honour."
But UN Security Council member Britain warned that Syrian President Bashar al-Assad's regime "should not make the mistake of believing that it can act with impunity."
"It will be held to account for its behaviour," Foreign Secretary William Hague said.
US Secretary of State Hillary Clinton condemned a "brazen and unacceptable act" and promised US assistance in investigating the incident.
"It is yet another reflection of the Syrian authorities' callous disregard for international norms, human life, and peace and security," Clinton said in a statement.
Originally posted by muse7
Like I have said, Syria did not have to shoot down the Fighter Jet, they took the drastic measure of shooting it down without attempting to establish communications with the Jet or the Turkish Air force.
When Fighter Jets are on a mission they don't fly by themselves.
"Under article 4, any ally can request consultations whenever, in the opinion of any of them, their territorial integrity, political independence or security is threatened,"