Lee Martyn, 43, was seen running from the 22-year-old shooter with his tiny daughter Sophie, aged three, who was pushing a toy pram as she ran for her life.
Friends of the killer s victims as well as the Gun Control Network and Plymouth MP Luke Pollard called for urgent answers into why the 22-year-old was allowed to be armed.
The sister said she had been unable to comprehend the fact that brother Jake Davison had murdered their mother Maxine before taking four more lives, including that of a three-year-old girl.
Plymouth shooting: Everything we know as six killed in city's darkest day for decades cornwalllive.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cornwalllive.com Daily Mail and Mail on Sunday newspapers.