The Ferguson Township Police Department is investigating the possible disappearance of Penn State student Cindy Song, 21, according to a press release from the department.

Song was last seen by friends Wednesday, Halloween night, after she returned to her apartment on the 300 block of West Clinton Avenue, the release said. She has not been seen since. Police said yesterday that no foul play is suspected at this time and they are still waiting to hear if family members can confirm Song's whereabouts. She was reported missing by a friend on Thursday, police said.

Police ask anyone who knows where Song is or has seen her since Thursday morning to contact them at 1-800-479-0500.