The UN rights chief called Monday for "concerted action" to help recover from the worst global deterioration of rights she had seen, highlighting situations in China, Russia and Ethiopia among others. "To recover from the most wide-reaching and severe cascade of human rights setbacks in our lifetimes, we need a life-changing vision, and concerted action," Michelle Bachelet told the opening of the UN Human Rights Council's 47th session. - 'Chilling impact' -The UN rights chief also pointed to the "chilling impact" of a sweeping national security law introduced in Hong Kong. - Kremlin undermining critical voices -In her address Monday, the UN rights chief also criticised recent measures by the Kremlin shrinking the space for opposing political views and access to participation in upcoming elections. "I call on Russia to uphold civil and political rights," Bachelet said, insisting "legislation restricting the freedoms of expression, peaceful assembly and association should be brought in l