Portion of airport roof blows off

Officials are trying to assess the damage from a freak  accident at the Thunder Bay Airport on Tuesday evening which saw a portion of the corrugated metal roof of main airport terminal blow off.  Police say it crushed two cars in the parking lot and knocked over a light standard, but no one was injured.   The estimate of damage isn't known and the exact cause of the accident has yet to be determined. The incident happened around 8:30