Belgian police on Thursday carried out a new raid in connection with a foiled attack plot in France, in which the main suspect was this week charged with membership of a terrorist organisation, prosecutors said.

"A raid is under way in connection with the (Reda) Kriket case. It is taking place at Marke, in the town of Courtrai" in northwestern Belgium, Eric Van Der Sypt, a spokesman for the federal prosecutor's office, told AFP.

French national Reda Kriket was arrested near Paris last week and at his apartment police found a cache of assault rifles, handguns and TATP, the highly volatile homemade explosive favoured by Islamic State (IS) jihadists.