North Korea has opened new luxury hotels near the Chinese border. But with foreign tourism still tightly restricted, questions remain over who is actually staying in them. CNN's Will Ripley reports. | CNN

Political and climate activist Greta Thunberg has been arrested in London for protesting in support of hunger strikers linked to Palestine Action, a group designated as a terrorist organization by the United Kingdom. Read more: https://cnn.it/4jcDHV7 | CNN

Former Republican Sen. Ben Sasse announced Tuesday that he's been diagnosed with stage 4 pancreatic cancer. CNN's Brian Todd reports. Read more: https://cnn.it/4jvULWp | CNN

China is developing a controversial hydropower system in a remote region of the Himalayas. Beijing has been tight-lipped on details of what it has called a "project of the century." CNN's Simone McCarthy breaks down how the plan might take shape. Read more: https://cnn.it/4p8sZ3e | CNN