Radical protesters confront with police officers in Tsuen Wan, in the western New Territories of south China's Hong Kong, Aug. 25, 2019. (Xinhua/Mao Siqian)

HONG KONG, Aug. 26 (Xinhua) -- Hong Kong police said on Monday that 21 officers were injured during the violent incidents over the weekend as radical protesters intensified violence, vandalizing shops randomly and assaulting police officers with deadly weapons.

Among the 21 officers, 16 were injured on Sunday, with one suffering massive bleeding after poled by a sharpened item in his back and five others were injured on Saturday after hit by bricks, according to a press briefing of the police.

Mak Chin-ho, assistant commissioner of police, said protesters used deadly weapons, including bricks, metal poles, long sticks and petrol bombs, to assault police officers.

"These attacks are intentional, planned and organized," he said.