Iranian Deputy Secretary of the Supreme National Security Council Ali Bagheri said negotiation for cooperation is the only option in the arena of regional and international interactions, ISNA reported.
Bagheri who has visited Damascus for a two-day trip discussed bilateral relations as well as regional and international developments with Syrian President Bashar al-Assad.
"Iran and Syria are strong pillars of resistance in the region," Bagheri said as stressing solidarity in resistance process in confrontation of aggressive policy and measures of Zionist regime.
He also highlighted continuous failures of Zionist regime's reconciliatory plans and its international isolation and said, "today, regional nations have foiled enemies' conspiracy and the number of states supporting resistance in the region have mounted."
Assad on his part voiced optimism on developments in Palestine and Lebanon and emphasized unity of Palestine supporters in confrontation of Zionist regime's actions and policies.