Iranian President Hassan Rouhani said Tuesday he wants to boost diplomatic relations with Asian countries, as **rth Korea's foreign minister visited Tehran, the government's official website said. "Iran puts great importance on strengthening its ties with countries in Asia, and Iran and **rth Korea can use their capabilities to boost their relations," Rouhani said. **rth Korean Foreign Minister Ri Su Yong was in Tehran to take part in a meeting of the Asian-African Legal Consultative Organisation. Iran and **rth Korea are both subject to heavy international sanctions because of their respective nuclear programmes, and for several years **w the two countries have had close ties.