Playgrounds shut after a freak fire | Chron.com - Houston Chronicle
ARLINGTON — Arlington school officials have temporarily closed 20 playgrounds after a spontaneous combustion fire at a school playground last week.
Security video from Anderson Elementary School showed the fire breaking out with no sign of arson or other vandalism. Officials blamed Thursday's fire on the spontaneous combustion of the decomposing wood fiber surface of the playground.
Authorities say recent heavy rain left some material soaked, then it began decomposing in this month's hot weather.
Superintendent Mac Bernd says pea gravel will replace the wood chips on those playgrounds.
The changes are expected to be made within two weeks. Texas children prepare to return to classes Aug. 27.
