Bruce Willis walking back to his new convertible Bentley after shopping at a grocery store in Bel Air. Los Angeles, California - 02.12.08

The fire on Monday (30Mar09) wrecked the main lodge at the ski resort Willis co-owns in Idaho.

Fairfield Volunteer Fire Chief Wayne Marolf tells TMZ an investigation has concluded a short circuit in an electrical panel caused the fire.

No one was injured in the inferno, which took place just days after the Soldier Mountain resort closed for the season.

Bruce Willis' older news:

* Kutcher Was Uneasy About Willis Relationship
* Willis Enkoyed Marijuana Session With Rapper Ross
* Willis Ski Lodge Destroyed by Fire

Source: WENN