South Korean lawmakers have passed a bill that designates fine dust as a "social disaster", allowing the government to unlock emergency funds to tackle the issue.
This comes after record levels of fine dust blanketed most of the country in recent weeks, with the government under immense pressure to take action.
Bruce Harrison reports from Seoul:

UN chief calls New START treaty expiration 'grave moment'
700 immigration agents withdrawn from Minnesota
Xi, Putin hail ties in video call as Ukraine war nears anniversary
Israeli strikes kill 21 in Gaza, health officials say
Nestle widens infant formula recall after France lowers toxin level