 Now from the WHIO News Center, the three big things you need to know. A Columbus police officer is involved in a deadly shooting near the Republican National Convention. Former Trump rival Nikki Haley is set to talk at the RNC tonight. A man found shot and killed on a Dayton sidewalk overnight is identified. Full details on these stories and more next scheduled newscast coming up at 530. I'm Ron Otto, WHIO Continuing News.