 Dayton's only all-local news radio station. The power of WHIO Radio and News Center 7 means you'll know first. This is Miami Valley's Morning News on WHIO. Good morning, it's 816. I'm Brittany Otto here on Miami Valley's Morning News with the three big things that you need to know today. Two police officers on leave following a shooting in Xenia over the weekend. Gun violence in the Miami Valley has the blood supply running low at area hospitals. And it is our top local story, a 20-year-old man arrested in a standoff.