Singaporean Ambassador to Tehran Chew Tai Soo says expansion of relations with Iran, which is an important regional country, is high on the Southeast Asian country's foreign policy agenda. "Increased cultural relations can help broaden understanding between the people of the two countries, which in turn can help improve relations in other areas," the outgoing ambassador said in a meeting with the chairman of the Majlis National Security and Foreign Policy Committee, Alaeddin Boroujerdi, in Tehran on Tuesday, ICANA reported.