A Wodonga fire is being treated as suspicious by police.
Firefighters were called to the grass and scrub fire on Bandiana Link Road on Sunday night.
The blaze burnt through a large area towards the freeway after starting about 8.50pm.
Detective Leading Senior Constable Tracy Jarrott said investigators were seeking witnesses to what occurred.
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"It's concerning given the warmer weather which is approaching," she said.
"Someone may have seen something as they were driving past."
Call (02) 6049 2600 or 1800 333 000.