A teenage girl was left needing surgery after following an attack by 30 people , with one hitting her over the head with a skateboard . Brooklyn Smith , 16 , was at Venice Beach Skate Park in Los Angeles with her boyfriend on Thursday night when two of the suspects asked where they were from . One of the pair then said : 'That 's her , that 's her , ' and the next thing she knew she was knocked to the ground and repeatedly punched and kicked , while bystanders did nothing . Scroll down for videos . A man is seen seconds after hitting Brooklyn Smith , 16 , over the head with a skateboard during a confrontation in Venice Beach , Los Angeles . The teenager is seen lying on the ground as a group of skateboarders surround her . Bystanders watch as the brutal attack unfolds . She was left with a four-inch gash in the back of her head which had to be closed together with staples . The man who clubbed her with the skateboard was seen dragging her across the road before he started hitting her . She told KTLA they recognized her from a confrontation in February when she was told not to come back to the area . Graphic footage of the violent incident was captured on a cellphone . It was then sent to the police . Brooklyn can be heard wailing in pain after the person filming says she just cracked . The youngster said she blacked out after she was struck and then reached back to feel her head . When she saw her hands they were covered in blood . She was taken to hospital with a four-inch gash and was left needing staples . Her boyfriend has a tooth knocked out during the violent encounter . 'After that I blacked out a little bit , ' she told the station . When she reached to feel her head , Brooklyn saw her hands were covered in blood , so started 'freaking out ' . A woman then placed her body over Brooklyn 's to shield her . 'If it was n't for her , Lord knows what they would be doing to me , ' Brooklyn said . 'They were hurting her too … because she was screaming . ' Her boyfriend , meanwhile , had nine stitches to the back of his head , and upper and lower-lip . He also lost a tooth .
WARNING : GRAPHIC CONTENT . Brooklyn Smith , 16 , was at Los Angeles Beach Skate Park in Venice . Two men came over and said : 'That 's her , that 's her ' before she was hit . Teenager was thrown to the ground and repeatedly punched and kicked . She was left with a four-inch gash and required staples to close it .