An explosion occurred in one of the multi-apartment residential buildings in the city of Sumgait in Azerbaijan, as a result of which 13 people were injured. According to the information spread, all thirteen people have been taken to the hospital. Another one still remains under the ruins. The rescuers are trying to save him. According to one of the versions, the cause of the explosion was a natural gas leak. The blast wave was so strong that it caused a partial collapse of the building. The local authorities evacuated other people living in the building.