Two people have been arrested following a hit and run in Malmsbury on Sunday morning.

Police say a man and a woman fled on foot after crashing their car into a black Ford on the Calder Freeway near the East Malmsbury on-ramp about 6am.

The driver of the Ford, reported to be a 57-year-old man, was taken to hospital with a back injury and later released. His teenage son was assisted at the scene.

Police located a man and  woman about 30 minutes later in Mollison Street, Malmsbury.

A 33-year-old woman from Bendigo was released pending further inquiries.

A 29-year-old man from Corio is expected to be interviewed in relation to conduct endangering life and a number of traffic, firearms and ammunition offences.

SES workers and police located a number of items at the scene which were taken into evidence.

Matilda Boseley, The Age