Released Slovak nationals
© UnknownSix released Slovak nationals, who were detained in Iran, attend a press conference on September 1, 2013 after they return home.
Slovakian Prime Minister Robert Fico says fair talks with Iranian officials have led to the release of six out of eight Slovak nationals arrested on charges of possessing illegal equipment and violating the Islamic Republic's law.

"Negotiations were fair and their result is the release of six out of eight detainees," Fico said on Tuesday.

He added that the Slovakian government was working to secure the release of the two citizens who are still held in custody.

The premier noted that his country made no "financial commitments" for the release of the Slovaks.

Iran's Foreign Ministry issued a statement on Monday saying following a decision by relevant authorities based on investigations carried out into the case, the six Slovak nationals were released and handed over to Slovakia's Embassy in Tehran on Sunday.

One of the released Slovak nationals, Vladislav Frigo, said the detainees, all kept in a big cell, were well treated and had access to television and a refrigerator.

He added that they were also allowed to cook their own meals and could ask for regular meals.

Frigo noted that the two Slovaks are in good health conditions.

They were arrested in late June in the central city of Isfahan on charges of taking pictures of restricted areas.