Five people were killed in a fire in a house in Russia's Omsk region of Siberia on Friday, said the Investigative Committee of the Russian Federation.
A cigarette that was not stubbed out properly caused the fire, Xinhua news agency reported quoting the committee's statement.
The dead included three men and two women, said the committee, adding that a man and a woman were related and the three others were their guests.
--IANS
pgh/bg
