text: Raids took place on Sunday and Monday in Brussels and the provinces of Flemish Brabant and Liege.
  Police seized military clothing and computer equipment in the raids, but no weapons or explosives.
  Belgium has been on high alert since the attacks of 13 November in Paris. Several of the perpetrators are thought to have been based in Belgium.
  However, the latest arrests are not linked to the Paris attacks, prosecutors say.
  One of those arrested is suspected of leading and recruiting for a terrorist cell.
  The suspects are accused of planning attacks against several "symbolic targets" in Brussels, as well as on the police, according to the Belgian broadcaster RTBF.
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  Propaganda for the so-called Islamic State group was among the materials seized.
  Another four people were questioned in the raids and released without charge.
  In November Brussels was placed under a four-day lockdown closing universities, schools and the metro system, amid fears of a Paris-style attack.
  The presumed ringleader of the Paris attacks, Abdelhamid Abaaoud, was a Belgian national who had travelled to fight in Syria.
  Police in Belgium and beyond have been hunting Salah Abdeslam, a French national who was born in Brussels, in connection with the attacks. His brother Brahim blew himself up during the attacks, investigators say.
  Belgium has struggled to contain Islamist militancy in recent years - more Belgians have gone to fight for the militant Islamic State (IS) group than any other European country, per capita.
target: Belgian police have arrested two people suspected of planning attacks in Brussels on New Year's Eve.