A stabbing is reported to have taken place off of Cathcart Hill in Islington north London on May 16.<br /><br />According to local media reports, Police were called at about 3:25pm after a helicopter from London's Air Ambulance found a male stabbing victim believed to be in his late teens,.<br /><br />A Scotland Yard spokesperson said: "He was taken to hospital in a life-threatening condition."<br /><br />A knife has been recovered at the scene but no arrests have been made. <br /><br />Footage shows markers laid down on a road closed by police in Islington after the stabbing took place.