Northumbria Police has launched a murder investigation following the death of a teenager in Sunderland this morning.
Officers received a report just before 1.30am that a man had been injured behind The Borough Pub, in Sunderland.
Emergency services attended and the 18-year-old man was taken to hospital, where he later died. A spokesperson said the teenager's family are being supported by specialist officers at this difficult time.
One man has been arrested in connection with the incident and remains in police custody.
The investigation is ongoing and police are appealing for anyone with information about the incident to get in touch.
An increased police presence may be seen in the area as officers carry out enquiries and offer reassurance in the community.
Senior Investigating Officer D/Chief Inspector John Bent said: “One person remains in custody but we do need anyone who witnessed the incident or who may have information to get in touch with Northumbria Police.
Anyone with any information can call police on 101 quoting log 124 of today's date or Crimestoppers anonymously on 0800 555 111.