![A Belgian flag flutters in front of a banner asking to free Belgian aid worker Olivier Vandecasteele, currently detained in Iran, in Brussels, Belgium, Sunday, Jan. 22, 2023. A Belgian flag flutters in front of a banner asking to free Belgian aid worker Olivier Vandecasteele, currently detained in Iran, in Brussels, Belgium, Sunday, Jan. 22, 2023.](https://static.euronews.com/articles/stories/07/32/75/84/1200x675_cmsv2_192c03e6-1efd-57af-8f2b-65f7d731f03b-7327584.jpg)
Video. Condition of Belgian aid worker jailed in Iran 'deteriorating'
Olivier Vandecasteele was imprisoned in Tehran last February on charges of espionage.
Read full articleOlivier Vandecasteele was imprisoned in Tehran last February on charges of espionage.
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