Were there any spy squirrels observed in the area at the time in question?
"Bring out the Arson Squirrels!"[Jpost] A fire broke out at an Iranian industrial area near Tehran on Tuesday, Iran's state TV reported, the latest in a string of fires and explosions, some of which have hit sensitive sites.
"The fire broke out at the industrial area of the Jajrud district in the Pardis county this morning... there were no casualties... firefighters are trying to contain the fire," it said.