FIA to take measures to avoid Japanese GP fire repeat
FIA to take measures to avoid Japanese GP fire repeat

racingnews365.com
FIA to take measures to avoid Japanese GP fire repeat

Two grass fires occurred during the second practice session at Suzuka. The FIA is eager to avoid it happening again.
tl;dr
"The grass has been cut as short as possible, and loose, dried grass has been removed from affected areas.
"Prior to tomorrow's sessions, the grass will be dampened, and specific response teams will be stationed around the track."