Austrians Massud Mossaheb, left, and Kamran Ghaderi have both been jailed for a decade on 'baseless' espionage charges. Photo: Family handouts
Austrians Massud Mossaheb, left, and Kamran Ghaderi have both been jailed for a decade on 'baseless' espionage charges. Photo: Family handouts

Families of four Europeans jailed in Iran demand greater efforts for their release