The Russian President has called for sanctions to be imposed following the downing of a Russian warplane.
Turks have been warned against travelling to Russia after reports a Turkish businessman had been detained.
Witnesses said the Diyarbakir's Bar Association President was shot in the head.
Long-range S-400 missiles deployed to Hmeymim air base in Latakia.
Two top journalists of Cumhuriyet daily hauled to court by President Recep Tayyip Erdogan.
Around 97% of the national assembly agreed to carry on the air strikes.
The military's 15-second clip warns: "You are approaching Turkish airspace, change your heading".
Moscow is putting Syrian civilians at risk with indiscriminate bombing campaign, says Pentagon.
Secretary-General Jens Stoltenberg rejected any suggestion the incident happened outside Turkey's borders.
Leaders will clash ahead of George Osborne's big economic statement to the House of Commons.
Joint projects may be scrapped says Russian PM Medvedev.
Turkish intelligence agencies reportedly in touch with Syrian rebels to free the Russian pilots.
The shooting down of a Russian war plane by Turkey has generated panic among Twitterati.
Moscow warns air strikes in Syria will be accompanied by air cover after Turkey shoots Russian plane.
Russia's President Putin accused Nato member Turkey of stabbing him in the back over Isis.
Turkish authorities say 5,000-year-old city had chapels, homes and production spaces.
Turkish military official says jet was warned before being shot down by F-16 fighters.
Ahmet Dahmani, 26, was detained at a luxury hotel in the southern coastal city of Antalya.
Syrians are mounting an effective opposition to Isis already – we should support them
Conservative leader promised to personally build support for a vote on the issue.
Israel is putting diplomatic pressure to get the order cancelled.
In a draft communique G20 leaders called upon all states to contribute to responding to the refugee crisis.