Footage has been released of a hooded man with a sawn-off shotgun firing several shots down a suburban Melbourne street in broad daylight, as police search for the gunman.

Police have released images and CCTV footage of a man who fired shots from a black sawn-off shotgun around Heritage Boulevard in Pakenham about 6pm on Monday.

Heritage Springs shopping centre went into lockdown after the shooting, with those parked in cars nearby told to stay put as Special Operations Group police swarmed the area.

Police are searching for a man who fired several shots down a suburban street in broad daylight on Monday. Credit:Victoria Police

It’s believed the offender had earlier been with another man and was on a push bike when the pair was seen arguing with two other men aged in their 20s and a woman.