Teenage girl missing in western Sydney

A 14-year-old girl is missing in western Sydney, with fears for her safety.

Police have appealed for public assistance after Lalor Park girl Mia Mcleod-Parry was last seen on Boys Avenue, Blacktown, on Tuesday afternoon, and was last spoken to about 12.20pm yesterday.

When Mia failed to return to her home and could not be contacted, police were told and a search began.

READ MORE: Rental properties gone in just 19 days as crisis worsens, report warns

Police hold concerns for Mia's welfare due to her age.

Mia is described as being of Caucasian appearance, about 140cm to 150cm tall, of thin build, with brown hair and brown eyes. She is likely to be wearing black clothing.

She is known to frequent the Blacktown and Shalvey areas.

Anyone who may have seen Mia or has information about her whereabouts is urged to contact Crime Stoppers on 1800 333 000.