Police have arrested a suspect in connection with the stabbing death of a 15-year-old boy near Robson Square in downtown Vancouver.He is 17 years old, and as such, his name has not been released..According to the Vancouver Police Department, the suspect — originally from Surrey — was taken into custody around 11 p.m. Monday night after turning himself in at the VPD patrol office near Kingsway and Nanaimo St. No charges have been laid.The incident took place shortly before 11:40 p.m. on Saturday next to the Vancouver Law Courts at Smithe St. and Hornby St. A passerby noticed a boy suffering from stab wounds and called 911. When first responders arrived on scene, they provided emergency first aid and transported him to hospital. Despite their best efforts, however, he died in hospital early Sunday morning.The victim's identity has not been made public, with the VPD only noting that he was originally from Surrey.Investigators from VPD's Operations Division, Forensic Identification Unit, and Major Crime Section have put out a call for witnesses, or those who may have captured the incident on their dash-cam."Anyone with information, or anyone with dash-cam in the area bounded by Georgia Street (north), Smithe Street (south), Howe Street (east), and Hornby Street (west) between 11:30 and 11:45 p.m. on Saturday, July 19, are asked to call the Vancouver Police Homicide tip line at 604-717-2500," the VPD said.