At least 39 migrants, including several children, have drowned trying to cross the Aegean Sea from Turkey to Greece, coastguards say.

A team of rescue workers watched as at least 31 refugees drowned in the Aegean Sea fearing being charged with people smuggling.

A car bomb blast has hit a police headquarters in south-eastern Turkey, killing six people and wounding at least 39, officials say.

Turkey's government urges Saudi Arabia and Iran to calm their diplomatic row, saying the dispute will only worsen regional tensions.

The memory card in the flight recorder of a Russian warplane downed by Turkey on the Syria border last month is damaged, Russian investigators say.

Germany and several other nations are to discuss with Turkey ways of settling thousands of Syrian refugees ahead of the final EU summit of the year.

A Russian destroyer in the Aegean Sea opens fire to avoid a collision with a Turkish fishing boat, the defence ministry said, as a bitter dispute over the shooting down of a Russian warplane raged on.

Nato has ruled out sending ground troops to fight against Islamic State militants in Syria, Nato General Secretary Jens Stoltenberg told a Swiss newspaper, stressing the need to bolster local forces in the conflict.

Turkey has expressed outrage at images showing a Russian serviceman apparently holding a rocket launcher as his ship passed through Turkish waters.

Turkey has challenged Russia to prove its claim that Ankara shot down a Russian plane in order to protect its oil trade with Islamic State (IS).

Turkey and the European Union agreed at a summit on a "historic" three-billion-euro ($3.2 billion) aid deal to stem the flow of Syrian refugees and other migrants to Europe.

Turkey says it has received the body of a Russian pilot killed after his plane was shot down on the Syrian border.

Russia has announced a package of economic sanctions against Turkey over the shooting down of a Russian jet on the Syrian border on Tuesday.

Russia strengthens its anti-aircraft defences in Syria by moving a cruiser closer to the coast and deploying new missiles at an air base.

Russia rejects Turkey's claims that it did not know the plane it shot down on the Syria border was Russian.

In a move raising the potential threat of a Russia-NATO conflict, Russia said Wednesday it will deploy long-range air defense missiles to its base in Syria and destroy any target that may threaten its warplanes following the downing of a Russian military jet by Turkey.

The Turkish military has released an audio recording of what it says were warnings to a Russian warplane before it was shot down on the Syrian border.

Did the Turks overreact to a Russian incursion? Or was Ankara itching for an opportunity to send a robust message to Moscow?

The surviving pilot of a Russian plane shot down by Turkey on the Syrian border says no warning was given, and the plane was inside Syrian airspace.

President Putin condemns the downing of a Russian warplane on the Turkish-Syrian border, saying it is a “stab in the back” by “accomplices of terrorists”.