Six people are dead, police said. This includes three females and three males.
Police were called to Biddick Drive in the Keyham area at around 6.10pm.
Luke Pollard, Plymouth Sutton & Devonport MP, said: “I’m utterly devastated that one of the people killed in the Keyham shooting was a child under ten years old.”
In a statement, Devon and Cornwall Police said: “Two females and two males were deceased at the scene.
“A further male, believed to be the offender, was also deceased at the scene.
“All are believed to have died from gunshot wounds.
“Another female treated at the scene for gunshot wounds, died a short time later in hospital.”
The investigation is ongoing.
