11.   Officials have in the past blamed blazes on smoky fires burned to drive away insects, cooking fires or sparks from jerry-rigged electricity connections.

12.   Protesters also burned trash and blankets inside dormitories, creating smoky fires that were doused by prison officers, he said.

13.   The explosion set off a smoky fire inside the train, shattered glass and tangled metal.

14.   The explosion set off a smoky fire inside the train, and corkscrewed metal seats and floors.

15.   The smoky fire had burned only a few minutes when a student who works at the facility used a fire extinguisher to put it out, Grider said.