Eight people were arrested Monday evening in Belgium as part of two ongoing investigations into suspicion of a "
terrorist attack
", the federal prosecutor's office announced on Tuesday.
Potential targets have not been determined at this stage, the prosecution said in a statement.
According to a judicial source contacted by AFP, the arrested are "
very young radicalized
" from the jihadist movement.
There was talk of a planned attack in each of two files, which have links between them, said this source.