German federal prosecutors said they have charged three Iraqi refugees with planning an extremist bombing. Prosecutors said Wednesday Shahin F. and Hersh F. are accused of preparing an act of violence and Sarkawt N. of aiding them. Their last names were not given in line with German privacy laws. Prosecutors said they were planning "an extremist attack" but since they have not been linked to a specific organization, they do not face terrorism charges. They allegedly ordered a detonator from Britain but never received it after authorities there arrested their contact, said The Associated Press. After being unable to afford an illegal firearm, they decided to carry out an attack using a truck bomb, and Shahin F. began taking driving theory classes. All were arrested in January after having been under observation for some time.