Police say the pair died at the scene.
The fate of hosting international cricket in Nelson hinges on whether or not alcohol advertising is allowed.
The blaze broke out in a forestry block on Wednesday afternoon
Cabinet signed off on $1 billion for the Nelson Hospital redevelopment last year ahead of the election.
The airport has since reopened.
The $120,000 purpose-built, 5.5m-long caravan is the first of many mobile community hubs funded by the community.
Local iwi oppose vehicle access as the area is of cultural significance.
Whakatū/Nelson residents say they want the same level of Government funding as cyclone-hit regions receive.
Now 6000 cubic metres of wood waste needs to be removed and disposed of, after tests confirmed high levels of copper, chromium, arsenic and boron.