Gillian Slovo’s play at National Theatre uses words of survivors of 2017 fire at west London tower blockPeople must be jailed for what happened at Grenfell Tower, the award-winning author Gillian Slovo has said, as her play about the disaster prepares to open at the National Theatre in London.Slovo, who gained international recognition with her novel Red Dust, set in South Africa’s post-apartheid truth and reconciliation commission, has used dialogue gleaned verbatim from interviews with 10 of the survivors for the play, which has left actors in tears after preview performances. In an interview with The Guardian she said: “Without jail time, how’s it going to stop anybody else doing this in the future?” This news item is brought to you by The Guardian World News.