Explosion and fire in a residential building in Narmak A spokesman for the Tehran Fire Department: at 12:10 today, an explosion led to a fire in a four-story residential building on Eyat Street, after the intersection of Feder Thani Street. The fourth floor of the building suffered an explosion and part of the surrounding walls were destroyed and three cars were damaged at the bottom of the building. The building was unoccupied and fortunately there were no casualties or injuries. According to investigations, the possibility of a gas leak from one of the gas burning devices caused the explosion.