(This Dec. 19 story has been officially corrected to fix the gender of Gaby Hutchinson after a police update) LONDON (Reuters) – A second person has died from injuries suffered last week during a crush at a music concert at London’s Brixton Academy, British police said on Monday. Gaby Hutchinson, 23, a security guard who was on duty at the event died in hospital in the early hours of Monday, police said. He was one of three people critically injured before a performance by the Nigerian Afrobeats singer and songwriter Asake on Thursday evening. London’s police said a large number of people were…