Air quality alert sounded in Brazilian capital

BRASILIA, Aug. 26 (Xinhua) -- Brasilia's environment institute, which monitors air quality in the Brazilian capital, issued an alert on Monday, warning of a "delicate situation."

For the second day in a row, Brasilia was affected by heavy smoke from wildfires in the states of Sao Paulo and Goias, as it grapples with seasonal drought in the central-west Cerrado region.

Data collected on Sunday indicated a