China's Wuhan city covered in mysterious haze

[OneDay]

Young and old residents of the Chinese metropolis of Wuhan were advised to stay indoors on Monday after a thick haze blanketed the city of nine million people, official media said.

Described by residents as opaque with yellowish and greenish tinges, the fug descended suddenly in the morning, prompting people to rush to put on face masks, witnesses told AFP.

The official Xinhua news agency quoted the environmental protection department of Hubei province saying in a statement: "Children, the elderly and people with heart or respiratory diseases are advised to stay indoors."
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