One was that the Syrian regime did not want to oppose a strong actor like Israel when it was already dealing with rebels and facing an erosion of its power and influence to such a great extent that it warranted an intervention by Russia.
Despite a UN Security Council cease-fire resolution, on March 3 the regime and its allies began a major ground operation -- backed by Russian air power -- aimed at decisively capturing Eastern Ghouta, an opposition-held suburb of Damascus.
EU-Turkey relations, regional and international issues, including global foreign policy, security, fight against terrorism, the Middle East, Africa and Russia are expected to be discussed during the summit, the senior EU official, who spoke on condition of anonymity due to restrictions on talking to the media, said.
With this agreement, Turkey made it clear that it does not intend to remain dependent on a single country in the field of defense, and that Ankara aims to diversify its security and foreign policies by procuring similar weapon systems from its European allies in addition to the S-400 air defense systems purchased from Russia.
After the downing of the Russian aircraft, the terrorist organization captured territories between Tell Rifat and Menagh to the east of Afrin from the Free Syrian Army (FSA) with the support of Russian aircrafts.