Five British sailors on a racing yacht have been detained by Iran after they may have inadvertently strayed into its waters.  The vessel, owned by Sail Bahrain and crewed by the British nationals, was stopped by Iranian naval vessels last Wednesday, said the Foreign Office. All five are still in Iran and they are understood to be safe and well. Their families have been informed of the incident. The yacht was on its way from Bahrain to Dubai and may have sailed inadvertently into Iranian waters. Foreign Secretary David Miliband said: "Our ambassador in Tehran has raised the issue with the Iranian Foreign Ministry and we have discussed the matter with the Iranian Embassy in London. "I hope this issue will soon be resolved. We will remain in close touch with the Iranian authorities, as well as the families." Two of the Britons captured in 2007 It is not the first time that Britons have been captured by the Iranian authorities while at sea. Iran took 15 British service p