Video shows arson suspect walk up to Panorama City home just before fire

Surveillance video shows the moment an arson suspect approached a home in Panorama City, walking up while carrying some sort of metal can just before the front porch went up in flames Tuesday morning.
Firefighters responded around 4:40 a.m. to the blaze, which Los Angeles Fire Department officials said appears to be a seemingly random crime. The can was placed at the entrance to the home by the person in the video, authorities said, resulting in a fire that damaged the front door, porch and a chair there. No injuries were reported and no other parts of the home were damaged.
Ring camera footage captured the person, wearing a hooded sweatshirt with their head and face covered, go up to the front porch before setting down the can. Later in the morning, the homeowner discovered her front porch on fire, with cellphone footage showing the flames rip through the front of the home along Lorne Street.
LAFD investigators are testing a substance inside the metal can to see what it contains and are looking into other areas of the case to try figuring out what happened and who was behind the crime. Officials said there have been no other arson calls in the area. 
No description of the suspect or any other details have been released by LAFD.