document: The 20-year-old was shot in Malvern Road in Kilburn, north-west London, on Friday night and later pronounced dead at the scene.
  It is believed she was standing with a group when they were "approached by a number of suspects possibly on pedal cycles", a Met Police spokesman said.
  A shot was fired at the group and the woman was killed.
  The victim's family has been notified and a post-mortem examination is due to take place later.
summary: A woman was shot dead by attackers who may have been on bicycles, police have said.