Trey Songz concert faces investigation after approximately 500 people packed into an Ohio nightclub to see the singer perform.Songz performed at the Aftermath nightclub in Columbus on Saturday (December 5), with footage showing tightly packed fans at the venue.As NBC News reports, the venue has now been given an official warning for improper conduct after attendees were seen to be openly violating Covid-19 regulations.Fans were seen sharing drinks and flouting social distancing laws, Ohio’s