UPDATE — 11:34 a.m. ET: Student protesters called off talks with government after anti-Occupy mobs attacked them in Mong Kok.
Hong Kong Federation of Students has called off talks with Chief Secretary Lam after violence tonight in Mong Kok: http://t.co/KpYp1kxrEF
Hundreds of angry residents, business owners, and pro-Beijing demonstrators descended on the pro-democracy protest site of Mong Kok — a densely populated district in Hong Kong — on Friday evening.
#OccupyCentral protestors nose to nose with #AntiOccupy protestors near #HongKong 's Nathan Rd @bryanhimself
Large groups of anti-Occupy demonstrators reportedly broke through police lines and attacked pro-democracy student protesters camped out in Mong Kok.
A girl weeps in terror as thousands of anti-occupy protesters surround Mong Kok camp. #OccupyCentral #HongKong
Anti-#OccupyCentral protester charges toward occupiers. Quickly gets stopped by police #hongkong
Most of the anti-Occupiers were men who encircled the student protest camp shouting, "Clear the area" and "Support the police."
Some of the crowd surrounding the protesters in Mongkok
Current scenes in Mongkok #Occupycentral
The police formed a human chain to protect the protesters from the anti-Occupy demonstrators.
Police here are protecting the protesters from the crowd surrounding them. Quite a turnaround from the tear gas scenes of a few days ago.
More police have arrived. Most have empty holsters, but some are armed. Have seen no riot shields, masks.
Police reinforcements just arrived. Two platoons, about 80 officers.
According to local media reports, the anti-Occupiers threatened, insulted, and behaved aggressively with student protesters.
Lots of press in crowd but police on the periphery as clashes threaten to become more violent in Mong Kok #OccupyHK
Female student protesters reportedly faced sexual harassment by anti-Occupy groups.
Witnesses say multiple cases of sexual harassment by anti-Occupy forces in #Mongkok.
Group of older adults surrounded young girl in school uniform shouting and lunging at her. I was shocked #OccupyHK
Anti-occupiers in CWB pushed female student protesters and yelled, "If you come to the protests, be prepared to be sexually harassed."
Police struggled to control the situation as fights broke out between the two sides.
A pro-democracy protester bleeds in the month after being beaten by anti-Occupy Central protesters in Hong Kong
Group of men in masks beat up a man who tried stop them removing fences from democracy protest in Hong Kong @AFPphoto
summary as far as I know, 20 angry violent men in surgical masks last half hour fighting chasing screaming at protesters, police, passersby
A large group was seen taking orders from a woman yelling slogans against the Occupy Central protest.
Woman who refuses to reveal ID shouting slogans in Mandarin through a megaphone against #OccupyCentral in MongKok
Anti #Occupycentral woman demand spoke open area, is cheered
Some anti-Occupiers said the pro-democracy crowds were disrupting the daily lives of Hong Kong residents.
Police opening the road in mong kok, tells cheering anti-#OccupyCentral crowd to get back
Occupy Central's press release called for the government to prevent "the organized attacks" on protesters.
#Occupycentral press release
Ambulances arrived for several who were injured during the clashes.
Ppl cooperate to allow ambulance through, escorted by police bikes #Occupycentral Mongkok
More police reinforcements arrived to control the chaotic scenes.
More cops arrive mong kok, seem to have those flags seen on Sunday night #occupyhk
Police requested the Occupy Central protesters to clear the area and advised people not to enter Mong Kok.
"We always use a tremendous amount of restraint". Superintendent Tate advises ppl not to come to Mongkok.