A 66-YEAR-OLD woman spent a night in hospital after being punched and pushed to the ground during a robbery in a South Melbourne church.

A man, believed to be aged in his 30s, attacked and robbed the woman about 5pm on December 5 inside the Dorcas St church.

He punched her in the head and grabbed her handbag before pushing her to the ground.

Police say he then ran away through the front door and was seen minutes later leaving a cafe next door to the church.

media_camera CCTV footage of the alleged offender entering the Dorcas St church shortly before the attack on December 5. Picture: Supplied

media_camera Police hope this image may help someone to identify the man. Picture: Supplied

The man was described as being caucasian in appearance, aged in his 30s, with tanned skin, short brown hair and a medium build.

He was wearing a grey T-shirt, blue three-quarter length jeans and carrying a hat.

Police have released images of a man they believe can help them with their inquiries.

Anyone with any information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at crimestoppersvic.com.au