Saudi authorities arrested several judges for “high treason” on Wednesday in an apparent purge, according to Saudi human rights organisations. Seven judges, from the court that handles terrorism charges as well the appellate and high courts, were arrested. Many of those arrested have been involved in the suppression of human rights in Saudi Arabia, according to Democracy for the Arab World Now (DAWN), the human rights advocacy organisation founded by slain Saudi journalist Jamal Khashoggi. One of the judges arrested is Khalid al-Liheidan, who was responsible for ordering the imprisonment of wo…