A worker has died after being trapped in a shipping container in Campbellfield in Melbourne's outer-north.

Police believe the man was trapped by stone sheets which shifted inside the container at a Foden Avenue kitchen business shortly after 10am on Thursday.

Emergency services at the site in Campbellfield where the man died. Credit:Nine News

Emergency services tried to free the man but he died at the scene.

A second man has been taken to the Northern Hospital for observation, Ambulance Victoria said.