What we know about the 11-hour hostage crisis at a Texas synagogue. Plus, Australia sends tennis champion Novak Djokovic home because of his refusal to get vaccinated against the coronavirus. Read more:On Saturday night, a gunman held four people hostage for more than 10 hours at a synagogue in Colleyville, Tex. The standoff ended with an FBI raid. The suspect has been confirmed dead, though Colleyville police would not say whether he had been killed by law enforcement or himself.“The tragedy here is that a house of worship should be a place that people go to without a thought, that it is just simply assumed to be a safe and welcoming place,” says senior editor Marc Fisher. “But of course, in much of the world, synagogues are places that are very much targets.”Meanwhile, tennis star Novak Djokovic left Australia on Sunday after losing his legal challenge to compete in the Australian Open despite not being vaccinated against the coronavirus. Reporter Liz Clarke on how the decision to send Djokovic home over his vaccination status could set precedent for future tournaments.