Turkey's armed forces command said it had scrambled a total of six F-16 fighter jets in three separate incidents responding to Syrian military helicopters approaching the border on Saturday, but there was no violation of Turkish airspace.
It said in a statement four of the jets had scrambled from Incirlik air base in southern Turkey in response to Syrian helicopters flying south of the Turkish province of Hatay.
Two other F-16s took off from a base in Batman after Syrian helicopters were spotted close to the border south of the Turkish province of Mardin.
There is evidence that the Syrian Army is losing control of more parts of the Syrian capital and the fighting is edging closer to Assad.
Shocking video has emerged of the moment a funeral procession was hit by an explosion in Damascus, killing dozens of people.
UN special envoy Kofi Annan said talks in Geneva today had reached an agreement on a Syrian-led transition, but issued no firm guidance.