Hong Kong police are showing off water cannons as pro-democracy street protests in the Chinese region stretch into their 10th week.

Axar.az reports citing foreign media that The Monday demonstration of specially equipped armored cars came after another weekend of protests at Hong Kong's bustling international airport and on the streets of one of the city's main shopping districts.

Website Hong Kong Free Press showed footage of one arrest that appeared to include officers dressing as protesters who injure a demonstrator pressed to the ground.

On Sunday, police fired tear gas inside a train station and in several other Hong Kong neighborhoods where protesters occupied road.