Based on the search results, there is no clear answer to what happened in Atlanta today. The search results show news articles from different dates, ranging from September 20 to September 28, 2023. Some of the articles report on events that happened in the past, such as a man being shot at a Gwinnett County business on September 22, while others report on general news and events in Atlanta, such as the closing of a roller skate and skateboard shop after 44 years in business. Therefore, it is unclear what happened in Atlanta today based on the search results.