Symbol 3852 from ISO 7000 - Title/Meaning: Fire Function/description: To indicate the location of fire and identify the fire type.
Additional information: 
A character in the middle describes the type of fire. A question mark (?) is used for unknown fire type or fire class as described in ISO 3941
Red colour may be used for flame symbol for more intuitive recognition
Own work using: iso.org/obp/graphics/grs/2d6f3422-7813-4955-a0f7-1c9142ce552b 200.png
Vectorization:  Mrmw