Iran said on Monday it has freed five of the local British embassy staff it arrested on accusations of stoking post-election unrest, a move that further threatened tense ties with London. 'Out of nine people arrested, five have been released,' ministry spokesman Hassan Ghashghavi said at a press conference in Tehran. Ghashghavi also said that Iran, which has accused Western nations particularly Britain and the United States of 'meddling,' has no current plans to close embassies or downgrade diplomatic ties with foreign nations. 'There is no plan at the moment to close any embassy or downgrade ties with them,' Ghashghavi said when asked if Tehran planned to close the British embassy. The Fars news agency, announcing the arrests on Sunday, said the British embassy staffer were accused of playing a 'considerable role' in the unrest that swept Iran after the disputed re-election of President Mahmoud Ahmadinejad. Intelligence Minister Gholam Hossein Mohseni Ejeie accused the British embassy of sending local staff 'undercover among rioters in order to push its own agenda,' the official IRNA news agency reported. British Foreign Secretary David Miliband said on Sunday that London had protested strongly over the arrests, which he described as 'harassment and intimidation' and dismissed claims the embassy was behind the demonstrations. EU nations also vowed to respond to any harassment of diplomats in Iran with a 'strong and collective response', Miliband told reporters at an EU foreign ministers' meeting in Corfu. Iranian Foreign Minister Manouchehr Mottaki -- who has previously said Tehran was considering downgrading its ties with London -- urged Britain and the EU not to take rash action over the arrests. 'Don't continue with this losing game because this is neither in the interests of the British people nor the two countries' relations that have (already) been damaged because of the British government's behaviour,' he said. He also called for European countries and officials to 'revise their stand' towards Iran, after supreme leader Ayatollah Ali Khamenei accused European and American officials of making 'idiotic comments' about the country. Britain and Iran have already expelled diplomats in tit-for-tat moves last week. 