-LRB- CNN -RRB- -- Members of the international community have reacted to the re-election of Mahmoud Ahmadinejad as president of Iran and the oppostion protests which have accompanied the result . Mahmoud Ahmadinejad pictured at a rally held in Tehran Sunday to celebrate his re-election as Iranian president . U.S. Secretary of State Hillary Clinton said in a statement Saturday : `` We are monitoring the situation as it unfolds in Iran but we , like the rest of the world , are waiting and watching to see what the Iranian people decide . `` The United States has refrained from commenting on the election in Iran . We obviously hope that the outcome reflects the genuine will and desire of the Iranian people . '' White House spokesman Robert Gibbs said Saturday the administration was `` impressed by the vigorous debate and enthusiasm that this election generated , particularly among young Iranians . '' U.S. Vice President Joe Biden , commenting on NBC 's `` Meet the Press '' Sunday , said : `` I have doubts , but withhold comment . '' He added that the Iranian government had suppressed crowds and limited free speech , which raised questions . He also said that the strong showing by Ahmadinejad was `` unlikely , '' based on pre-election analysis . Gallery : Emotions run high after election '' Israel 's Deputy Prime Minister and Minister of Foreign Affairs Avigdor Liberman said in a statement that `` the problem which Iran poses for the international community is not personal in nature , but derives from its policy . `` In any case , in light of Tehran 's ongoing policy , and even more so after Ahmadinejad 's re-election , the international community must continue to act uncompromisingly to prevent the nuclearization of Iran , and to halt its activity in support of terror organizations and undermining stability in the Middle East . In a statement Saturday the EU Presidency said it was `` concerned about alleged irregularities during the election process and post-electional violence that broke out immediately after the release of the official election results on 13 June 2009 . `` The Presidency hopes that outcome of the Presidential elections will bring the opportunity to resume the dialogue on nuclear issue and clear up Iranian position in this regard . The Presidency expects the new Government of the Islamic Republic of Iran will take its responsibility towards international community and respect its international obligations . '' UK Foreign Secretary David Miliband said Saturday that the UK government had `` followed carefully , and admired , the passion and debate during the Iranian election campaign . `` We have also heard the concerns about the counting of ballots expressed by two of the candidates . This is a matter for the Iranian authorities to address . We will continue to follow developments . Our priority is that Iran engages with the concerns of the world community , above all on the issue of nuclear proliferation . '' Fawzi Barhoum , spokesman for Hamas , the militant Palestinian movement backed by Iran , welcomed the results . He urged the world to respect Iranian democracy and accept the results of the elections . The office of Afghan President Hamid Karzai said in a statement Sunday that he had congratulated Ahmadinejad on his victory . It added that Karzai believed `` relations between the two Muslim nations of Afghanistan and Iran expanded during Mr. Ahmadinejad 's first term and hoped that these relations get stronger during his second term . '' German Foreign Minister Frank-Walter Steinmeier told ARD Sunday that the Iranian ambassador in Berlin would be summoned to explain the treatment of protesters against the result . `` I have already prompted Iran , together with European colleagues today , to quickly shed light on what has happened there -- if one can take the announced election results there seriously or not , '' he added . Turkish President Abdullah Gul and Prime Minister Recep Tayyip Erdogan have offered their congratulations to Ahmadinejad , the official Anatolian Agency reported Monday . It said that they `` called Ahmadinejad on the phone and congratulated him for his success in the election . '' Canadian Foreign Affairs Minister Lawrence Cannon told reporters in Niagara Falls , Ontario , Canada , Saturday , that Canada was `` deeply concerned '' about allegations of voting irregularities . `` We 're troubled by reports of intimidation of opposition candidates ' offices by security forces . We 've asked our embassy officials in Tehran to closely monitor the situation , and Canada is calling on Iranian authorities to conduct fair and transparent counting of all ballots . '' CNN 's Shira Medding in Jerusalem and Greg Clary in Washington contributed to this report .