Japan on Monday protested against a letter to Prime Minister Shinzo Abe from a U.N. independent expert raising concerns that planned legislation targeting conspiracies to commit terrorism and other crimes could allow police to trample civil liberties.

The protest by Chief Cabinet Secretary Yoshihide Suga drew a stiff rejoinder from Joseph Cannataci, U.N. special rapporteur on the right to privacy, who blasted Suga’s comments as “angry words” with “no substance” in an email to Reuters.

The original article can be found here.