Nightly News   |  December 06, 2013

China cancels hundreds of flight due to air pollution

Officials in China have issued a high-level health warning, urging citizens to stay indoors. NBC’s Brian Williams reports.

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This content comes from Closed Captioning that was broadcast along with this program.

>>> hundreds of flights have been cancelled in china due to record levels of air pollution . official there is issued the highest level health warning there is urging citizens to stay indoors, urging factories to curtail or halt production entirely.