'Flemish Baudet' is suspected of possession of arms and racism, but it can be prosecuted as an MP?

Earlier this week Dries Van Langenhoven was yet to 06.00 am informed by the police of his bed after hearing enabled suspicion of racism, Holocaust Denial and possession of weapons. Three days later, on Thursday, He has taken his oath as a parliamentarian. The question is whether the flamboyant from Fleming also enjoy immunity, and therefore can not be prosecuted.