"The smoking ban has cut the number of fires in the city sparked by cigarette butts by more than half ... In the first week of this month, the Beijing fire brigade put out eight cigarette-related fires, an average of 1.14 per day ... The new daily average [after the extended smoking ban] was less than half of what was reported in the first four months of this year, when the city's firefighters had to put out 325 fires caused by cigarette butts, or 2.7 per day."
