Crews deploy to Northern California as new fire threat looms

A firefighter walks a path as the Glass Fire burns along Highway 29 in Calistoga, California (Noah Berger/AP)

Hundreds of firefighters from across the state were being deployed to Northern California on Wednesday, where hot, windy conditions renewed the threat of fire in the region.

Most of the huge fires that erupted over the past eight weeks are now fully or significantly contained and skies once stained orange by heavy smoke are blue again.