He continued pursuing them as police flooded the area. Officers quickly caught up to the witness and one of the suspects.
Eight minutes after catching the first suspect, officers, with help from a K-9 team and King County’s Guardian One helicopter, took the second suspect into custody and recovered the girl’s phone, police said.
The man who chased the suspect was treated by Seattle Fire medics at the scene for a cut sustained while climbing a fence, police said.
Officers booked a 17-year-old male into the King County Youth Service Center for a warrant and investigation of robbery and an 18-year-old male into King County Jail for investigation of robbery.