Good morning. It’s Tuesday, August 18th, and this is your briefing from Natalie Gray for The News & Observer. Today’s high will be around 88 degrees with a low of 68. There will also be partly sunny skies. In our top story: UNC Chapel Hill will move all undergraduate classes online starting tomorrow after 130 more students tested positive for the coronavirus last week. The announcement comes as 4 COVID-19 clusters were reported in 3 days in dorms, apartments, and a fraternity house.