Thousands of demonstrators turned out in downtown Hong Kong on September 29 to support a protest over Beijing’s decision to reject calls for open nominations for the election of Hong Kong’s chief executive in 2017. Demonstrators on Monday called for the resignation of Hong Kong’s top official CY Leung after he branded Occupy Central, one of the organizing groups, as “unlawful”.

Protest numbers have swelled since riot police responded to demonstrations with tear gas on two occasions following CY Leung’s remarks.

In this footage, a drone captured the scale of the crowd making its way through the skyscrapers of the former British colony’s central business district. Credit: Facebook/Nero Chan