Police on Thursday released a surveillance video showing an arsonist torching a garage door in Olney in an effort to identify the suspect.
The video shows the arsonist dressed in a hoodie with a backpack, arriving at and leaving the scene on a BMX bicycle.
In between, there is a brilliant explosion as the garage door on the 6100 block of North 4th Street bursts into flames about 7:35 p.m. Monday.
Police said the arsonist may have suffered burns or had his clothing singed when he set the blaze.
Police said the suspect appear to be a 5-foot, 10-inch black man who was 15 to 20 years old.
No other injuries were reported in the fire. Damage was limited to the garage door, police said.
Anyone with information is asked to call the Northwest Detective Division at 215-686-3353 or -3354.