A man accused of being involved in the gang rape of a 17-year-old girl has been granted bail.

Adam Abdul-Hamid, 19, was one of two men and two boys charged in June over the alleged sexual assault that took place over several hours in Sydney's south-west in December last year.

The girl was approached by one of his co-accused — a 16-year-old boy who was not known to her — at a Liverpool shopping centre.

WARNING: This story contains details readers may find distressing.

Sexual assault support lines:

1800 Respect National Helpline : 1800 737 732

Lifeline (24-hour crisis line): 131 114

Full Stop Australia : 1800 385 578

Bravehearts : counselling and support for survivors of child sexual abuse: 1800 272 831

Child Wise : counselling provider: 1800 991 099

According to police, the

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