Update: The June 10 Screen on the Green showing of "Dreamgirls" has been postponed due to last night's melee. The series will resume with "Dreamgirls" on June 17, according to Peachtree TV.
"The Piedmont Park Conservancy, Peachtree TV, the City of Atlanta and other sponsors are committed to continuing this summer tradition in the city's landmark park, and are working together to ensure that it remains a safe and fun family event," according to a statement on Peachtree TV's website.