SISKIYOU COUNTY — A deadly and destructive complex fire raging in the Klamath National Forest has burned more than 11,000 acres, and it was only 2 percent contained as of Tuesday night, according to Cal Fire. The Happy Camp Complex, consisting of several wildfires just south of the California-Oregon border, has destroyed nine structures and killed one person since it started on Aug. 16. In all, 13 blazes that vary in size and strength have converged and burned 11,616 acres as of Tuesday night. The largest fire, the Head Fire, sparked in the northwest section of Klamath National Forest and has scorched 5,617 acres. As of Tuesday evening, about 755 people have been ordered to leave their homes and 1,609 structures remain threatened. The cause of the complex fire remains under investigation.