I ran and ran, going as fast as my legs could take me. But I tripped, falling right on my side. "What the hell?" I mumbled, looking to see what I tripped over. It was a dead body. I cupped my hand over my mouth, trying to hide the small scream that escaped me. I scrambled to my feet looking at the others who'd also stopped in their tracks. 
"Just keep going!" One of them shouted at me and I nodded, running and jumping over the occasional lump I could see through the smoke.