Police warn families of Tiananmen crackdown dead not to visit graves on 37th anniversary

Chinese authorities have prevented families of Tiananmen Square crackdown victims from visiting a Beijing cemetery on the 37th anniversary, while Hong Kong police intensified security to block commemorations. The Tiananmen Mothers group and others have continued annual appeals for justice, with U.S. Secretary of State Marco Rubio condemning the suppression of historical memory.