In a statement, West Midlands Police said: "Detectives have launched a murder investigation after a teenager was discovered with fatal injuries in Birmingham last night. "Officers were called to Herbert Road, Small Heath, at around 8pm. "A 16-year-old boy was found critically injured having suffered stab wounds. Despite the best efforts of medics he was pronounced dead at the scene. "A 15-year-old boy was assaulted and suffered minor injuries, he was treated at the scene. "A cordon has been put in place while enquiries are carried out in the area." Detective Chief Inspector Edward Foster, from the force's homicide team, said: "The investigation is in its early stages and we are keen to hear from anyone who was in Herbert Road or Sara park at just before 8pm last night. "A teenager has sadly lost his life and another was assaulted, we are working hard to establish the circumstances around what happened."All rights reserved for this news site express.co.uk and under his responsibility