Beijing Issues Yellow Air Pollution Alert

Chinese capital Beijing city issued its first yellow alert for air pollution in the second half of this year.

The alert puts restrictions on work at construction sites, outdoor barbecues and straw burning by farmers.

The reading of Air Quality Index (AQI) in Beijing was between 200 and 300.

China has a four-tier colour-coded system for severe weather, with red being the most serious, followed by orange, yellow and blue.