HONG KONG, Aug. 15 (Xinhua) -- The Hong Kong police said on Thursday that they have arrested 748 people during a series of violent protests since June 9.

Kong Wing-cheung, senior superintendent of police public relations branch, told a press briefing that among the arrested, 115 people have been charged with various offensives.

According to Kong, 17 people were detained on Wednesday night when protesters besieged and attacked police stations in Sham Shui Po and Tin Shui Wai.

The people, 15 male and two female aged between 15 and 61, were arrested for unlawful assembly, illegal discharge of firecrackers and fireworks, desecrating national flags, possession of offensive weapons, criminal damage and attempted arson, Kong said.

Among the 115 charged, two men, aged 27 and 28 respectively, were accused of obstructing police from entering the Hong Kong airport to rescue two besieged residents from the mainland, he added.

During the operations, 177 police personnel have sustained injuries, including 11 policewomen, since June 9.