Britain’s deputy of mission in Iran has been detained on a charge of spying, Reuters news agency said.
The senior diplomat was said to be one of several foreigners detained by Iran’s Revolutionary Guards.
Reuters said the detainees included Britain’s second most senior envoy in Tehran, for alleged acts of spying such as taking soil samples in restricted areas, state television reported on Wednesday.
It did not say whether those detained were still under arrest.
“These spies were taking earth samples in Iran’s central desert where the Revolutionary Guards’ aerospace missile exercises were conducted,” state TV said.
The detained Briton has not been named.