THUNDER BAY — A huge additional swath of Northwestern Ontario, including the city of Thunder Bay and surrounding areas, will be under a fire ban as of midnight. The Ministry of Natural Resources announced Thursday it is extending its restricted fire zone in the region at the end of the day. In a related move, Thunder Bay Fire Rescue said it is also implementing a fire ban for the city. Starting at 12:01 a.m. Friday, the fire ban will extend from its initial boundaries in the west to as far north as to include Wabakimi Provincial Park. …Chris Marchand, a regional fire information officer with the MNR’s Aviation, Forest Fire and Emergency Services in Dryden said the region is exceedingly dry.