NORTH VERSAILLES (KDKA) — Police used dogs and thermo-imaging cameras Thursday in their search for a woman from North Versailles.

Ruth Ann Mullennix, 55, was last seen in Wilmerding on Monday night.

READ MORE: WATCH: Water Main Break Sends Water And Debris Shooting Into Peace, Love And Little Donuts In Strip District

Police said Mullennix is bipolar and has a history of alcoholism.

Her coat and cell phone were found Thursday in a rail yard beneath the Westinghouse Bridge.

Mullennix is 5-feet-6-inches tall, weighs 115 pounds, and has blond hair and green eyes.

READ MORE: NWS Confirms EF-0 Tornado Touches Down Along Butler And Allegheny Counties Border

She was wearing a blue shirt, blue jeans and brown shoes.

Stay with KDKA for the latest on this developing story.

RELATED LINKS:
More North Versailles News
More Local News

MORE NEWS: Allegheny County Artist Adds Personal Touch To Anti-Violence Mural In Homewood

Join The Conversation On The KDKA Facebook Page
Stay Up To Date, Follow KDKA On Twitter