Crews who have battled out-of-control fires for a week are continuing work to secure containment lines ahead of a forecast increase in the fire danger on Boxing Day.

In short:

Firefighters are continuing to battle three main fires across the state at the Grampians National Park, The Gurdies and Bullengarook.

An emergency warning was reinstated for the Grampians fire on Sunday afternoon, while other communities prepare for rising temperatures after days on alert.

What’s next?

The fire danger is forecast to increase on Boxing Day.