The world this week
Politics Jihadists in Sri Lanka suicide-bombed three churches and three hotels on Easter Sunday, killing more than 350 people. Islamic State claimed responsibility. The Sri Lankan authorities blamed a little-known local group, which they say may have had external help. The government received several detailed warnings, but does not seem to have acted on them. The president asked his chief of staff and the head of the police to resign. It emerged that the president had been excluding the prime minister and his allies from national security meetings. Joko Widodo won re-election as president of Indonesia, beating Prabowo Subianto, a former general who also ran against him in 2014. Now as then, Mr Prabowo has refused to concede defeat, saying the election was rigged. Kazakhstan’s ruling party named the acting president, Kassym-Zhomart…