Suspicious fire set in school bathroom

A fire set inside a bathroom of a high school in Petaluma on Friday is being investigated as arson, police said.

Police said Petaluma fire crews responded to a report of a fire inside a restroom in the “M” wing of Casa Grande High School, located at 333 Casa Grande Road.

When firefighters responded, police said, they discovered the fire, which started at a soap dispenser, was set deliberately and asked police to launch an arson investigation.

No one was injured and the fire was quickly extinguished, police said.

Anyone with information about the incident is encouraged to call Petaluma police at (707) 781-1225.