U.S. President Barack Obama will focus on Iran's issues during his visit to Russia and the G8 summit in Italy next week, a senior U.S. official said here Wednesday, Xinhua reported.
"The issue of Iran will be front and center at each of these stops," Denis McDonough, one of Obama's top foreign policy aides, told reporters.
Also on Wednesday, White House spokesman Robert Gibbs told a reporters that Obama and his Russian counterpart Dmitry Medvedev exchanged views on the forthcoming Russian tour and the G8 summit in Italy.
During his stay in Moscow, Obama is expected to discuss with Medvedev and Russian Prime Minister Vladimir Putinon, among others, a new pact to replace the Strategic Arms Reduction Treaty that expires this December.
On June 13, Iran announced incumbent President Mahmoud Ahmadinejad has won in the presidential elections.
After the official declaration, Ahmadinejad's main rival former Iranian prime minister Mir-Hossein Mousavi and the other two defeated candidates -- former parliament speaker Mehdi Karroubi and former Revolutionary Guards chief Mohsen Rezaei -- filed complaints over irregularities in the election, while Mousavi and Karroubi have demanded an annulment of the election.
Supporters of Mousavi have been protesting against the election result for days. Some protesters, who rejected the election as fraudulent, clashed with anti-riot police in Tehran. Obama strongly condemned the Iranian government's crackdown on its people.