Urgent appeal for missing 15-year-old girl in BelfastPhoebe Cush was last seen wearing a Celtic top, grey tracksuit bottoms and black Converse. View Image Missing 15 year old, Phoebe Cush (Image: PSNI)Police have said that they are becoming increasingly concerned for the welfare of a missing 15-year-old girl. ‌Phoebe Cush was last seen in West Belfast on Sunday at approximately 5:30 pm. ‌She was last seen wearing a Celtic top, grey tracksuit bottoms and black Converse. ‌A PSNI spokesperson said: "Police are becoming increasingly concerned regarding the whereabouts of Phoebe Cush, 15 years old.