Twenty firefighters are recovering after being taken to hospital due to the explosion in Essex.
Council leader Stephen Robinson says it has been a "shocking event" for people in the area.
A business owner says a row of industrial units was wiped out by last week's blast near Rettendon.
The fire service says it is windy at the explosion site and nearby fields are "tinder dry".
Photographer Scott Johnson's studio is close to where a fire triggered a massive explosion.
A major incident was declared as 100 firefighters battled a huge blaze south of Chelmsford.
The bunny was in the tray of a Volkswagen Golf which arrived from Burnham-on-Crouch for a service at the garage in Hanningfield.
"I'd like to think it's living a happy life in a field somewhere now," the mechanic adds.
The crash which killed Peter Beeson, 66, is being investigated by the air accident officials.