A 16-year-old boy was stabbed after being approached by men wearing balaclavas in Sheffield, police said.
Officers said a gray vehicle approached the victim at the junction of Vikinglea Road and Ravencarr Road, at around 22:00 BST on October 22.
South Yorkshire Police said the group got out of the vehicle and attacked the boy, who suffered serious injuries to his abdomen, hand and hip.
Anyone with information, including CCTV footage, is asked to contact police.
