Protesters sing "Glory to Hong Kong" during face mask ban demo

Thousands of people took to the streets of Hong Kong on Sunday to protest against a ban on wearing face masks.

At one point, demonstrators outside the Festival Walk department store broke into song, belting out "Glory to Hong Kong."

Many of those at the protest were seen wearing masks.

Hong Kong's chief executive Carrie Lam used a colonial-era emergency law to ban face masks to try to quell months of anti-government unrest.