Tehran, Jan 6 (DPA) A US citizen has been arrested in Iran on suspicion of spying, the government-run daily Iran reported Thursday.

The 55-year-old woman, whose initials were given as HT, was arrested as she was entering Iran from Armenia without a visa.

Security forces discovered ‘espionage devices’ such as a microphone implanted in her teeth, the report said.

The arrest had not been confirmed by the authorities.