Dwight,

I don't think an ignition source is wise around that problem. Could be a big methane gas explosion from all those pints washing down all that bubble & squeak.

And you'll love this quote from a local Wembley politician:

This is a shocking setback,'' said Bob Blackman, a city assembly member representing the Wembley area, in an e-mailed statement today. ``We need to know what on earth is going on.''

The problem isn't ON the earth, it's UNDER the earth.