The gathering met Turkey's expectations, because although Ankara is not optimistic for resuming accession negotiations with the European Union at the moment, at least it wants to keep dialogue with Brussels and the leaders meeting in Varna served in this aim, according to Cagri Erhan, President of the Altinbas University said.
It said the pair testified that they entered the Turkish side by tracking footsteps in the snow and filmed images on their mobile phones to send to higher ranking officials.
"The two presidents discussed preparations for a regular meeting of the top-level Cooperation Council between Russia and Turkey and the second summit of the Astana process guarantor nations - Russia, Turkey and Iran - due to be held in early April in Ankara", the Kremlin said.
Yazidi commanders in Sinjar have vowed to defend the mountains against any incursions by the Turkish military, after President Recep Tayyip Erdogan threatened to hunt down PKK fighters in the area.
"In terms of concrete solutions, we did not reach a concrete compromise today but I still hope it will be possible in the future", Tusk told a joint news conference.
The EU accounts for about half of Turkish exports.
"We now expect strong support [from the EU] on sensitive issues such as the fight against terrorism instead of rambling and unjust criticism", Mr Erdogan said.
After a series of bilateral and multilateral meetings that lasted more than six hours on Monday afternoon, the four men could barely hide their mixed feelings at the press conference. "I hope Bulgarians value this, because we remember how we were under pressure from the migrant wave in the past", Borissov said.
Catalonia's Carles Puigdemont arrested in Germany
German police have detained the former Catalan president Carles Puigdemont as he crossed from Denmark into Germany . Puigdemont was detained by German police Sunday who were executing an worldwide warrant issued by Spain on Friday .
So far this incentive has not been realised and Erdogan stressed the issue during the talks.
Juncker also praised the success of Turkey-EU refugee agreement as it showed "visible results".
Brussels has repeatedly criticised the post-coup crackdown, which has seen almost 160,000 people detained, including dozens of journalists.
But Sinjar's mayor, Ferhad Hiamd, voiced concerns that Turkey's threats could have a wider goal of strengthening its influence over regionally strategic Sinjar. Even Turkish Foreign Minister Mevlut Cavusoglu said Turkey did not have "any expectations right now from the European Union regarding the membership process".
Ankara has agreed to buy air defence systems from Russian Federation and Moscow will also build Turkey's first nuclear power station.
Al-Abadi's statement says he reassured his Turkish counterpart, Binali Yildirim, in a telephone conversation that he rejects any "violation" against Turkey through Iraqi territory.
The issue of Turkey's membership negotiations began in 2005, then stalled for five years and have now effectively collapsed.