Pro-democracy demonstrators planned on Sunday to choke travel routes to Hong Kong's international airport after a chaotic night of running battles between police and masked protesters, the latest wave of unrest to hit the Chinese-ruled city.
Protest organisers have urged the public to overwhelm road and rail links to the airport on Sunday and Monday, potentially disrupting flights. A similar so-called "stress test" of the airport last weekend failed.
Late on Saturday and into the early hours, police fired tear gas, water cannon and rubber bullets and protesters threw petrol bombs, escalating clashes that have plunged the Asian financial centre