5 things to know for May 20: Election night takeaways, IRS immunity, mosque shooting, virus concerns, Raúl Castro

By Alexandra Banner, CNN The Maldives is known for its luxury resorts and crystal-clear waters, but this week it became the site of a frantic underwater search for missing tourists. Five experienced Italian divers ventured into an underwater cave system on what was supposed to be an exciting expedition — but they never returned. Here’s