Pakistani authorities deployed troops and imposed a three-day curfew before dawn on Monday in the northern cities of Gilgit and Skardu after several people died and tens were injured in violent protests following the killing of Iran’s Supreme Leader Ayatollah Ali Khamenei in US-Israeli strikes, officials said.Thousands of Shiite demonstrators on Sunday attacked the offices of the UN Military Observer Group, which monitors the ceasefire along the disputed Himalayan region of Kashmir, and the UN...