5 things to know for June 15: Diplomatic breakthrough, UFC Freedom 250, Missouri plane crash, social media ban, Ukraine

By Alexandra Banner, CNN New Yorkers took to the streets over the weekend to celebrate the Knicks’ first NBA championship in more than 50 years. Preparations are now underway for a victory parade on Thursday, along with a ceremony honoring the team with keys to the city. Here’s what else you need to know to