Yreka (United States) (AFP) – Firefighters faced “extremely dangerous” conditions Monday as they battled to save a community of 8,000 residents, with lightning strikes threatening to worsen a blaze that has already killed at least two people and become California’s biggest fire of the year. Hundreds of personnel were involved in the fight against the fast-moving McKinney Fire, which has torn through more than 55,000 acres (22,000 hectares) near the border with Oregon, forcing thousands from their homes. The National Weather Service meanwhile issued a warning because of the threat of dry lightn…