THE door of a pressure cooker was blown more than 15 metres into the air after an explosion at Wodonga's petfood factory at midnight last night.
Worksafe Victoria is investigating the blast which saw the door to the metal autoclave blown into roof beams.
The incident, which happened at Mars Petcare, involved the door of an autoclave being rocketed airwards.
Three people suffered blast concussion.
Full story in tomorrow's Border Mail