Iran's supreme leader Ayatollah Ali Khamenei on Saturday congratulated moderate cleric Hassan Rowhani on winning the presidential election, the website leader.ir reported.

"Congratulations to the people and to president-elect Hojatoleslam Hassan Rowhani," Khamenei's Internet site said. "I urge everyone to help the president-elect and his colleagues in the government, as he is the president of the whole nation," he added.