"This is an international problem. It is very much my hope to continue to work with all the various parties involved, to find a solution that brings peace to Syria, stabilizes the region, stabilises those chemical weapons," Obama said in a joint news conference with visiting Turkish Prime Minister Recep Tayyip Erdogan.
"But it's not going to be something that the United States does by itself. I don't think anybody in the region, including the Prime Minister, would think that US unilateral actions in and of themselves would bring about a better outcome inside of Syria," Obama
Taking a cautious line, Obama stressed on continuing to mobilise the international community to put more pressure on Syrian President Bashar Al-Assad so that he recognises that he is no longer legitimate and that he needs to go.
He also expressed hope that the United States and Russia would succeed in arranging an international peace conference on Syria next month.
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"With respect to what I've said in the past around red lines - what I've said is that the use of chemical weapons are something that the civilized world has recognized should be out of bounds," he said.
"Our goal is to see the tyranny, the dictatorship go away in Syria and to be replaced with democracy. And I think this is a collective responsibility on the part of all countries that believe in democracy. And this is what we will all continue to do," said Erdogan, who has backed rebels agains the Syrian regime. Syria in fact was on top of the agenda of the US-Turkey summit yesterday.
"Supporting the opposition and Assad leaving are important issues. We also agree that we have to prevent Syria from becoming an area for terrorist organizations. We also agreed that chemical weapons should not be used, and all minorities and their rights should be secured," he said.