Turkish Prime Minister Tayyip Erdogan vows retaliation for the twin car bomb attacks on the border town of Reyhanli.

Speaking to members of his AK party in parliament in Ankara, he again blamed the Syrian government for the attacks that killed 51 people.

"We know those who carried out this attack were linked with the Syrian regime and this is a group based in Turkey - they are Turkish citizens," he said.

Erdogan said Turkey would retaliate "sooner or later."

He said Turkey had the power and ability to strike back but would remain restrained, rather than being lured into a confrontation.

Syria was also on the agenda at a meeting between Russian President Vladimir Putin and Israeli Prime Minister Benjamin Netanyahu on Tuesday, in the Black Sea resort of Sochi.

Putin told Netanyahu he was counting on him to discuss the situation in the region, including Syria.

In response, Netanyahu said he was grateful for the opportunity to discuss ways to stre