Demonstrators in Tehran have pelted the British embassy with stones and eggs in a protest against the annual garden party celebrations to mark the Queen's Birthday. About 150 students gathered outside the embassy with banners demanding its closure and the

A hardline Iranian newspaper, the Kayhan, claims the party was part of the “psychological war” the U.S. and its allies are conducting to undermine the Iranian regime by courting Iranian intellectuals and others inside the country.

Britain's embassy in Tehran is often the focus of anti-western protests. The U.S. has had no mission there, after cutting ties in 1980.