Amid the grief in Brazil, there is a growing sense of anger over the nightclub fire that killed more than 230 people.
NBC Correspondent Keir Simmons is in Brazil. He says investigators have a long list of safety questions that need answering, including why did the nightclub apparently have only one exit? And did security staff briefly block exits to stop people leaving without paying their drink bills?
More top news
Former residents of the Chagos Islands have lost their latest legal challenge at the Supreme Court.
The gun and bomb attack at Istanbul's Ataturk Airport is the latest in a series of deadly incidents in Turkey this year.
Nominations for the Tory leadership close on Thursday, with the new leader due to be in place by September 9. So what happens in-between?