There was an explosion in a 4-story building, 4th floor, in Narmak neighborhood, East Tehran.
Spokesmen from the fire department say that there was no one in the building and there were no injuries. [Initial official assessment says it was due to a "gas leak"] Tehran Province, automatic translation into Persian An explosion on the fourth floor of a 4-story building in Narmak neighborhood, east of Tehran.
The spokesman for the fire department said that no one was present in the building and there were no casualties in the incident. [The initial official assessment indicates that the cause of the accident was a "gas leak"] Tehran District,.