By Rich McKay (Reuters) – An arson investigation was underway on Tuesday after seven fires erupted overnight at two churches, a gas station and four other buildings near Mississippi’s Jackson State University, officials told local media. Video footage showed the worst of the seven fires near the historically Black college left Epiphany Church in ruins. There were no reports of any injuries, ABC affiliate WAPT reported. The Jackson Fire Department began receiving calls at around 2.45 a.m., Assistant Chief Patrick Armon told WAPT. The Jackson Fire Department did not immediately respond to querie…