Firefighters from Puslinch and Hamilton attended a fire at Emerald Lake park on May 21.
At about 1:40pm an explosion was heard throughout the park in souther Puslinch.
A 14-by-40 foot park model trailer with shingles on the roof was engulfed in flames within a few minutes. Witnesses say there was not much left of the trailer after about half an hour.
The Puslinch fire department responded with back up from Hamilton.
No other trailers were involved in the fire.
Puslinch Fire Chief Luis Gomes was unable to respond as of press deadline.