More than 121 million Americans live in areas lacking essential health care services, a number expected to grow with 700 rural hospitals at risk of closing. CNN takes a closer look at what's creating America's health care deserts and how to solve them. Stream the full story at cnn.com/watch | CNN

CNN's Hanako Montgomery breaks down the timeline of how a small fire in Hong Kong spread from one building to several in a public housing complex, leaving hundreds displaced and missing. Follow live updates here: https://cnn.it/4p9D7tm | CNN International

As a US-imposed deadline approaches demanding Lebanon disarm the militant group Hezbollah by the end of the year, CNN's Ben Wedeman gets rare access into a Hezbollah tunnel now under control of the Lebanese military in the rugged mountains of southern Lebanon. | CNN International