In late May, several days before U.S. President Barack Obama traveled to Cairo to give a major speech, several Belgian citizens were arrested in Egypt and accused of being members of a terrorist cell affiliated with al Qaeda.

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Controversy also arose in Belgium, where they are being investigated for money laundering and were witnesses in a government audit of Tractabel, a Belgian subsidiary of French utility Suez.

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In a series of raids in and around the Belgian capital, police made 14 arrests and seized a quantity of documents that are now being analysed.

CNN: Belgian terror cell investigated