Devon and Cornwall Police have confirmed that a gunman who shot and killed five people in Keyham, Plymouth on Thursday evening was 22-year-old Jake Davison. br Chief Constable Shaun Sawyer described the incident as "particularly traumatic", as he explained how events unfolded in Biddick Drive. br Davison shot and killed a woman in a house before shooting dead a "very young" girl, her male relative and two others. He then turned the gun on himself and took his own life. Report by Buseld.