A total of seven people received injuries Thursday when household gas exploded in a three-storey building in the city of Voronezh, 450 kilometers to the southeast of Moscow, Itar-Tass reported. The explosion caused a collapse of the building's roof. All the injured were rushed to hospital where medics said their injuries were minor to serious. As many as 32 people were evacuated from the damaged building. Experts began this morning investigating the cause of explosion, while teams of rescue and repair workers were removing the ruins of the building.
