According to Germany intelligence services, Iran allowed the Syrian regime to deployed military aircraft on its territory.
The report from the German intelligence says that Iran and Syria signed the agreement in November 2012, which enabled Syrian President Bashar al-Assad to deploy most of his air force in Iran and to use it in case of necessity."
It was also reported that Iran sent to Syria elite units of the Revolutionary Guards to assist the regime in Damascus in its war against the rebels.
Previously, Germany rejected President Bashar al-Assad's offer to play the role of a mediator in the Syrian conflict.
Russian President Vladimir Putin would never fall to the level of personal insults, Kremlin official spokesman Dmitry Peskov said