The question of what to do with FEMA trailers left over from Hurricane Katrina is complicated by toxic materials found in them. Here's a story about the fire.

Ryan Moore / The Hattiesburg American via AP
Unoccupied FEMA trailers burn, Thursday, Feb. 24, 2011 near Lumberton, Miss. Authorities say at least 162 unoccupied FEMA trailers were destroyed by a grass fire Thursday in south Mississippi's Pearl River County.