Monday’s heist was a fresh blow to Antwerp’s major industry, which prides itself on discretion and security.
‘‘This is causing quite some unrest,’’ De Wolf said. ‘‘It was incredible how easily it all went. This is worrying in terms of competitiveness, since other diamond centers are ready to pounce and take over our position.’’
Juergen Baetz and Don Melvin contributed to this report from Brussels.