Smog in Beijing
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Thick smog engulfs Chinese capital

For the past few days, Beijing has been covered by a thick blanket of smog, forcing the closure of several highways and the cancellation of hundreds of flights.

The US embassy in the Chinese capital has warned that air quality has reached hazardous levels and, according to media reports, hospital admissions have risen by almost a third.

Martin Patience reports on how people are dealing with the smog.

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