Sentence:  The demon of fire followed close upon the heels of the unseen fiend of the earth's hidden caverns, and ran <WSD>red-handed</WSD> through the metropolis of the West, kindling a thousand unhurt buildings, while the horror-stricken people stood aghast in terror, as helpless to combat this new enemy as they were to check the ravages of the earthquake itself. 
Meaning of the word marked with <WSD> tags:  Deadly, bloody.