Crews battling a deadly wildfire that is the most destructive on record in Colorado have contained almost half of the 15,000-acre (6,070-hectare) blaze that has incinerated nearly 500 homes outside Colorado Springs, authorities said on Saturday. Cooler temperatures, calmer winds and a rainstorm that moved over the burn area on Friday allowed fire managers to increase the containment of the fire to 45 percent from 30 percent the day before. “Last night, there was no growth and no more structures lost,” incident commander Rich Harvey of the U.S. Forest Service told a news conference. But the number of homes confirmed destroyed by the so-called Black Forest Fire jumped to 473 overnight as assessment crews combed through areas that have cooled, El Paso County Sheriff Terry Maketa said.