Natasha Elcock and Ed Daffarn escaped from Grenfell Tower on 14 June 2017. Karim Mussilhy’s uncle died in the fire. Together with other survivors and bereaved people, they formed Grenfell United. They talk about their work over the past two years, while the Guardian’s social affairs correspondent, Rob Booth, discusses government inaction. Help support our independent journalism at theguardian.com/infocus