this is bbc news with the latest headlines for viewers in the uk and around the world. heavy gunfire in kazakhstan's largest city, as russian—led troops arrive top help stop a wave of unrest that has left dozens of people dead. the president will address the nation later. the clashes are taking place just a few hundred metres away from where i'm standing now. you can hear the sound of shooting and explosions. the australian government rejects claims that novak djokovic is being "held captive" after the tennis star was denied entry for failing to meet covid vaccination requirements. # sweet land of liberty...