Fredericksburg authorities are investigating an incident early Sunday in which someone described only as an unknown male set two small fires near the front entrance of the city police department. City police spokeswoman Sarah Kirkpatrick said the incident took place about 12:35 a.m. at police headquarters at 2200 Cowan Blvd. The male poured a flammable liquid in the area of the front entrance and started two small fires before running off toward the nearby Commons at Cowan Boulevard apartment complex, police said. City firefighters were able to quickly extinguish the fires, Kirkpatrick said. No one was injured, but there was damage to the sidewalk and the police department's Fallen Officer memorial.