A local politician with the far-right Alternative for Germany (AfD) was stabbed in the western German city Mannheim late on Tuesday evening, officials said. The man, a local election candidate, was injured in the incident that occurred at around 10:45 pm (2045 GMT). The perpetrator was detained, dpa learned on Wednesday. The 25-year-old suspect has been taken to a psychiatric hospital, according to investigators. The police and public prosecutor’s office said on Wednesday that there were clear indications he was suffering from a mental illness at the time of his arrest. “According to the curre…