Complex sentence: After several convicted and suspected terrorists were found to have lived in the suburb, Molenbeek received criticism in regards to combating Islamic terrorism and the radicalization of young Sunni Muslims, which has been taking place in private homes rather than in more open places such as mosques.
Split into simpler sentences: After several convicted and suspected terrorists were found to have lived in the suburb, Molenbeek received criticism in regards to combating Islamic terrorism and the radicalisation of young Sunni Muslims. It has been taking place in private homes rather than in more open places, such as mosques.