Nine people have been stimulating in Belgium with belonging to terrorist groups after a sequence of raids in three countries.
Seven were under arrest in Antwerp on Tuesday in association with a year-long inquiry into an alleged plot to attack Belgium.
Arrests were also made in Amsterdam and the German city of Aachen.
One more 15 suspects were detained in Brussels as part of a divide inquiry and all but two have been on the loose.
All nine believes are due to appear in court on 26 November either in Brussels or the close to town of Mechelen, Belgian radio intelligence.
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