31.   In Denver, the State Health Department issued an ozone alert and warned people with respiratory conditions to remain indoors as acrid smoke and ash blew over the area.

32.   Its wheels were too small to hurdle the heap, but they spun on the skin and melted the adjacent asphalt to create an orange cloud of acrid smoke.

33.   Of all the athletes competing in these Winter Games, only Michael Voudouris still has the acrid smoke from the World Trade Center in his lungs.

34.   Only the sound of children crying drifted across the remains of the village, along with an acrid smoke as survivors burned tires and timber to keep warm.

35.   Security forces fired tear gas and rubber bullets, injuring two people, while army helicopters circled, dodging clouds of acrid black smoke.

36.   Smelling the acrid smoke.

37.   Television showed only film of the acrid black smoke that hung above city.

38.   The acrid smoke of cooking fires choked people inside.

39.   The air is thick with an acrid smoke that burns your eyes, throat and lungs.

40.   The acrid smoke billowed up well into the morning rush, creating chaos for thousands of motorists on nearby highways and bridges.