 I'm Peter McArthur, WDEL News. Among your top stories, another day of intense heat and storms and showers may develop again late today and this evening. Downed trees causing some property damage in the area. Delmarva Power crews have made substantial progress restoring service. As of midday, about 800 Delmarva Power customers were without service. PECO still has tens of thousands of customers without power, mainly in Chester County. Harvard County Maryland School Board will be making an advanced placement African American study.