Brexit to blame for London's millionaire exodus, Lisa Nandy claims / Boycott of literary and arts festivals is attempt to 'gag society', says culture secretary Lisa Nandy / Labour split exposed as Lisa Nandy slaps down calls for grooming gang inquiry / British TV industry must diversify to survive, Lisa Nandy says / Lisa Nandy says PM 'very sensible' to accept football tickets worth thousands / Huw Edwards should return BBC salary paid after arrest, says Lisa Nandy / UK PM Starmer appoints Indian-origin Lisa Nandy culture secretary / Era of culture wars is over, pledges new culture secretary Lisa Nandy / Labour would shift focus of development aid to poorest countries, says Lisa Nandy