A FRANTIC search for a missing five-month-old baby has been launched – with local police announcing they have “serious concerns” for the tot.

Alejandro Templo was last seen at a home in Sydney on Friday – as authorities release details about the small boy’s appearance.

Alejandro Templo, a five-month-old baby, has gone missingCredit: NSW Police Force
 
Alejandro was last seen at a home in Kerwin Circuit, HebershamCredit: Google maps
The infant was last seen at a property in Kerwin Circuit, Hebersham.

Local authorities are probing the exact circumstances of the baby’s disappearance.

They said the five-month-old has a medium build, fair hair and black eyes.

He may be “in the care of a man and woman known to him”, cops believe.

A tall Caucasian man, about 170cm tall, with a large build, brown hair and brown eyes is suspected to be with the boy.

The baby could also be with an Asian woman, about 16cm tall, with a large build and light brown hair.

Anyone with information on Alejandro’s whereabouts should contact Blacktown Police or Crime Stoppers.