A Sudanese refugee has appeared in court after he was charged with groping the crotch of a 15-year-old girl at a rap concert in Sydney. Mohamed Hamdin, 24, appeared at Downing Centre Court for his indecent assault hearing on Tuesday as details of the alleged incident emerged. New South Wales police say Hamdin touched the 15-year-old girl inappropriately during the concert of U.S. rappers YG and Ty Dolla $ign at Enmore Theatre, in Sydney's inner-west, on Australia Day this year. Mohamed Hamdin (left and right) appeared in Downing Centre Court charged with indecent assault . NSW police say Hamdin and the girl had been kissing and dancing at the Enmore Theatre on Australia Day . In court documents seen by The Daily Telegraph, he and the teenager were dancing and kissing before she tried to move away from him. The 24-year-old prevented her from leaving by grabbing on her jeans, despite her protests to let her go. He then allegedly proceeded to put his hand on her vagina through her pants, and rubbed and touched her for a five-minute duration, according to documents. The incident escalated when Hamdin unzipped her jeans and started to take them off. It was then the girl was successful in getting away from him. Hamdin will reappear again on April 28 at Downing Local Court. Charges were laid against Hamdin after a violent brawl broke out during the Australia Day rap concert, which resulted in several people being assaulted. Police stand outside the Enmore Theatre in Sydney on January 26, where riot squads were called to control thousands of fans who had got out of control while waiting in line for the sold-out rap concert . Several arrests were made, including Mohamed Hamdin, 24, who allegedly grabbed a teenage girl's vagina . Paramedics attend the scene where several people sustained injuries after a brawl broke out during the concert . Riot squads were called to control thousands of fans who had got out of control while waiting in line for the sold-out concert of YG and Ty Dolla $ign . Hamdin was arrested and taken to Newtown Police Station. He was granted bail on strict conditions, including that he not leave his home at night without being accompanied by at least one of his parents, in his January court appearance. Hamdin was also required to report daily to police. Californian rappers YG (left) and Ty Dolla $ign (right) have a reputation for violence at their concerts and alleged gang affiliations . Californian rapper YG has been are gaining popularity in America along with a reputation for violence at their concerts and alleged gang affiliations. In 2013, YG’s single ‘My N****’ peaked at number 19 on the US Billboard hottest 100. In 2012, YG had a music video shoot for his song ‘I’m A Thug’ shut down by police after reports of shots were fired. A crowd at the 400 block of W. Spruce St in Compton was cleared from the scene after police closed off the area. He also had members of the Crips gang arrive at his concert and start a brawl in November 2011. YG is allegedly a member of rival group the Bloods. Sorry we are not currently accepting comments on this article.
Riot squads were called to the Enmore Theatre in Sydney on Monday night.
US rapper YG has alleged gang affiliations and a history of violent concerts.
24-year-old man was charged with indecently assaulting a 15-year-old girl.
Police  dispersed about 2500 fans after the concert had finished.
Several arrests were made and police are continuing their investigations.