Firefighters in make-or-break fight to keep Caldor fire from Lake Tahoe

Crews face hard battle amid gusting winds but officials say they have made progress

Firefighters battling a ferocious wildfire in the Lake Tahoe Basin are facing critical hours as they work to prevent the flames from reaching a resort city at the southern tip of the lake.

Crews gained ground on the behemoth blaze raging on the California-Nevada border, officials said on Wednesday, despite dry gusty conditions and difficult terrain.