The condition of a Windsor woman is improving after she was pulled from a fatal apartment fire.

Samantha Stanley has been upgraded from critical to serious condition at Hamilton general hospital.

 The 21-year-old woman was found unconscious in an apartment unit on Thornberry Crescent on Feb. 22.

  A 30-year-old man, who was also in the same unit, later died.

  A fire investigator discovered batteries were missing from the apartment smoke detector.