Multiple people have been injured in an explosion in the garden of a property in Melbourne’s northeast.
Emergency services were called to a fire in the garden of a property on Development Blvd in Mill Park just after 11pm on Sunday.
One man, believed to be aged in his 30s, was taken to hospital in a critical condition.
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Another 10 people were also taken to hospital and two of them are in serious conditions with upper body injuries.
Four people were checked at the scene but were not injured.
7NEWS understands there was a fiery explosion, but its cause has not yet been confirmed.
The fire is not being treated as suspicious at this stage, and anyone with information is urged to contact police.
During a police press conference about New Year’s Eve behaviour on Monday, Assistant Commissioner Michael Grainger described the Mill Park fire as “terribly serious”.