French police have smashed a neo-Nazi cell accused of plotting attacks on Jewish or Muslim places of worship, legal sources said Tuesday.

Five members of the group, who were “close in ideology to the neo-Nazi movement” were charged between September and May over the alleged plot, a source close to the investigation said.

“The investigation suggested they were developing an ill-defined plot to carry out an attack, likely to target a place of worship,” the judicial source said.

The sources gave no details of specific targets or motives.

Read more: France 24