Suspect sought in violent sexual assault of woman in Center City office building

Authorities are searching for a man accused of sexually assaulting a 22-year-old woman in a Center City office building. Police say the suspect, 43-year-old Willie L. Harris, is accused of wandering up to the 8th floor of the building and sexually assaulting a woman in an unlocked office. Investigators believe he may be in Philadelphia, Camden or Woodbury.