"Iran considers the Zionist regime illegitimate and its actions in the region aggressive and condemnatory."
The battles have pushed more than 270,000 people out of their homes.
Rouhani also said U.S. attempts to pressure its allies to stop buying Iranian oil exports are "exaggerated" and could never be put in place.
The diplomat was arrested for allegedly plotting to plant a bomb at a meeting in which Rudy Giuliani was expected to attend.
“Iran, North Korea, Syria and Pakistan are making efforts to expand their conventional weapons arsenal through the production of weapons of mass destruction,” the Bavarian intelligence agency said.
"Our latest update shows the figure of displaced across southern Syria has exceeded 270,000 people," Mohammad Hawari, UNHCR's Jordan spokesman told Reuters.
For Israel, the main threat in Syria in the last several years has been Iran’s penetration of the country.
"For the fourth year in a row, Turkish authorities have banned Istanbul Pride. The last time it went ahead seems like a lifetime ago."