By CBS3 Staff

PHILADELPHIA (CBS) — A large police response has converged in an area in Northeast Philadelphia. The family of missing woman Casey Johnston confirms a helicopter search and rescue team found Johnston’s car in a wooded area along Woodhaven Road on Saturday afternoon.

Johnston is the 26-year-old from Lower Southampton, Bucks County who was last seen three weeks ago in Philadelphia’s Chinatown section, where her cellphone was recovered.

Sources told Eyewitness News the car located is her 2016 Ford Focus.

Investigators, including a private detective, were conducting an aerial search earlier Saturday when the car was spotted.

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There has still been no sign of Johnston.