Downtown Raleigh Alliance says that more than 22 million people visited downtown last year.
Investigators said the incident was not random and involved people who knew each other.
He also emphasized the importance of voter engagement.
Raleigh-based tech firm Pendo is the latest company in the Triangle to announce layoffs.
For two of the first five firefighters to enter the building, it was their very first active fire.
Most of the damage from the fire was contained to the roof, but sprinklers saturated areas inside the building as well.