The UK Embassy in Tehran has been stormed by a group of Iranian students.Dozens of Iranian students have stormed the British embassy in Tehran, bringing down the British flag and throwing documents from windows.The students clashed with riot police, chanting: \"The embassy of Britain should be taken over!\" and \"Death to England!\"The incident comes two days after the Iranian parliament approved a bill that reduces diplomatic relations with Britain in protest at London\'s support of US sanctions on Tehran, which Washington recently stiffened.