article_snippet: Amateur gymnast Rosie Connolly collapsed and died after going for a swim - just one hour after rushing to the aid of a fellow gym user .
article_snippet: A talented amateur gymnast collapsed and died after going for a swim - just one hour after rushing to the aid of a fellow gym user.
article_snippet: Rosie Connolly, 21, a receptionist at the Laboratory Spa in Mill Hill - used by Olympics stars Anthony Joshua and Mark Foster - fell unconscious at the poolside after a swim.
article_snippet: Just 50 minutes before the tragedy, Miss Connolly - a member of Childs Hill gymnastics club -  had rushed to help a club member who became ill in the changing rooms and had cared for them until an ambulance had arrived.
article_snippet: the Laboratory Spa in Mill Hill has opened a book of condolence.
article_snippet: Friends paid tribute to Miss Connolly, a member of Childs Hill gymnastics club who had performed in an international competition in Switzerland.
article_snippet: Connolly, 21, a receptionist at the Laboratory Spa in Mill Hill - used by Olympics stars Anthony Joshua and Mark Foster - fell unconscious at the poolside .
article_snippet: Just 50 minutes before the tragedy, Miss Connolly - a member of Childs Hill gymnastics club - had rushed to help a club member who became ill in the changing rooms and had cared for them until an ambulance had arrived .
highlights_snippet: Rosie Connolly, 21, was receptionist at the Laboratory Spa in Mill Hill .
  