Two people have died and two others, including a child, are fighting for life after a crash in regional Victoria.

Police are investigating the crash in Briagolong in Gippsland, 240 kilometres east of Melbourne, at 3.45pm today.

No other vehicles were involved.

Two occupants were found dead at the scene on Briagolong Road.

Paramedics treated a woman and girl, whose injuries police described as “life-threatening”.