Interior Minister Jan Jambon and Justice Minister Koen Geens were not immediately available for comment.
Belgian media say Brussels prime suspect not arrested
Belgian authorities are facing embarrassment after Turkey said on Wednesday that last year Ankara expelled back to Europe Ibrahim El Bakraoui, one of the suicide bombers who carried out the attacks on Tuesday, and warned Belgium he was a militant.
"Belgium ignored our warning that this person is a foreign fighter," President Tayyip Erdogan said on Wednesday.
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