RESIDENTS across northern China battled through choking pollution as Beijing was plunged into toxic twilight for the fourth time this season.
Visibility was reduced to around 200 metres in parts of the capital, where mask-wearing pedestrians made their way through a murky haze, despite warnings from authorities to stay indoors unless absolutely necessary.
In a Beijing city office, up to 20 workers worried that the pollutants could penetrate indoors took extra precautions, wearing gas-mask style protective headgear at their desks.
State broadcaster China Central Television (CCTV) gave the smog's second day huge airplay, showing vehicles using full headlights in mid-morning to light their way through the noxious cloud over huge swathes of northern China.
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