TOMSK, Russia, Nov. 30 (UPI) --
A gas-system explosion on the eighth floor of a building in Russia Friday killed one person, injured 11 and caused heavy damage, an official said.
Nikolai Nikolauchuk, mayor of the West Siberian city of Tomsk said the blast and a subsequent fire destroyed a wall, two balconies and caused damage in two apartments, RIA Novosti reported.
Investigators said the explosion was caused by a malfunction in a gas-supply system.
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