About 100 demonstrators chanted slogans against the Iranian government outside the Swedish National Defence College, where Foreign Minister Manouchehr Mottaki was to give a speech. Some protesters threw eggs at the building.
The visit angered some exiled Iranians who accused Tehran of human rights violations and said Sweden should break off diplomatic relations.
Press freedom groups in the Scandinavian country urged the Swedish government to use the visit to voice strong protests against restrictions on free speech in Iran.
"As soon as we can see the concentration of American aircraft on airfields in Europe, we will simply destroy those airfields by launching our medium-range ballistic missiles at those targets"
The Russian Federal Space Agency, Roscosmos, found out the origin of the hole in the household compartment of the Soyuz MS-09 spacecraft