The assassination of Russia’s Ambassador to Ankara Andrei Karlov by an off-duty Turkish police official at an art event Dec. 19 has made Turkey extremely vulnerable. It didn’t take long for the ramifications of the assassination to affect foreign politics.

During a Syrian meeting held in Moscow between Russia, Turkey and Iran a day after the assassination, a trilateral solution proposed by Russia was approved. The murder has weakened Turkey’s standing to the extent that it can’t express any reservations. From now on it seems we will distinguish relations with Russia as “pre-Karlov” and “post-Karlov.”

For well-known and much-discussed reasons, Turkey’s Syria policy over the past year has been one of upheavals and turbulence. To restore relations with Moscow after shooting down a Russian jet on Nov. 25, 2015, Turkey was compelled to end its support of the opposition forces in Aleppo and mediate in their evacuation. Now just as Turkey was figuring out how to benefit from the availability of opposition fighters, Karlov was assassinated. Turkey had already lost one arm to Russia after shooting down its plane; now it lost its other arm.

According to a statement by Russian Foreign Minister Sergey Lavrov after the Dec. 20 Moscow meeting, two key points were agreed on: