What We're Following This Morning

Trump vs Ryan: The presumptive GOP presidential nominee declined to rule out blocking Paul Ryan, the House speaker, from serving as the chairman of the Republican convention. His comments on NBC’s Meet the Press on Sunday came after Ryan said he couldn’t endorse Trump—for now.

North Korea expels BBC team: Rupert Wingfield-Hayes, a correspondent for the U.K. broadcaster, his producer, Maria Byrne, and Matthew Goddard, the cameraman, were stopped Friday as they were about to leave the country where they had gone to cover a congress of the ruling workers party. They were detained over the weekend, but were taken to airport Monday and expelled.

Panama Papers, cont’d: The International Consortium of Investigative Journalists, the group that released details of documents belonging to Mossack Fonseca, the law firm at the heart of the leaked documents, will release a searchable index of the papers today.