communities. residents are rattled awake by sirens and rushed to evacuate. we could not get them out fast enough because the water kept going up so fast. plus, nearly 100 million baking across the u.s. e.r. visits skyrocket. rip currents turned deadly. at least seven people killed or missing after being swept off the coasts of new york and florida. this is a tragedy. this is a parent s worst nightmare. what you need to know before your next trip to the beach. police identify the alleged gunman behind the supermarket rampage in arkansas. three killed. ten injured. what s authorities reveal about his motive. former president trump says he s made his choice for vice president, but hasn t told anyone yet. nbc news reveals the final three contenders. a massive cyber attack crippling car dealerships nationwide. why it may be harder to get the car repaired. powerful new images. the hiker lost in the mountains of california for ten days finally found. and the fisher