Wang Anshun

Beijing will take aggressive measures to cure the "big city disease", making sure the city's population does not cross 21.8 million by the end of this year, the mayor of the Chinese capital said.

The smog blanketing the Chinese capital forced authorities at Beijing's international airport to cancel a score of flights on Wednesday.

Beijing will take aggressive measures to cure the "big city disease", making sure the city's population does not cross 21.8 million by the end of this year, the mayor of the Chinese capital said.

The smog blanketing the Chinese capital forced authorities at Beijing's international airport to cancel a score of flights on Wednesday.