Amir-Abdollahian arrived in Brussels on Monday night to hold talks with the officials at the EU on the regional questions, issue of Syria in particular.

His meeting with Mogherini focused on regional developments including those in Syria and Iraq.

Recently, Iran has proposed an updated plan on Syrian crisis.

With the start of Russia's attacks on the terrorist group of ISIS in Syria, the crisis in that country has entered a new phase.

Diplomatic efforts to settle the crisis and fight with ISIS still continue.

Already, Mogherini described Russia's role in removing tension in Syria as effective and important.

Russia has started airstrikes against ISIS forces in Syria since September 30.

Russia’s military involvement in Syria started after Syrian President Bashar al-Assad's demand; IRNA reported.