Police: Masked man sexually assaulted woman in her apartment

Police say a woman was sexually assaulted by a masked man Wednesday afternoon insider her own apartment on Cruger Avenue in the Pelham Parkway section of the borough.
There was a large police presence around 1:30 p.m. after police say the man entered the building and sexually assaulted a 41-year-old woman. 
That woman was taken to a hospital for observation. 
Police are investigating how the perpetrator entered the building. The suspect is still at large. 
Neighbors say the victim lives with her mother, three children and her husband.
Police are hoping surveillance cameras from inside the building will help identify a suspect.