21.   Investigators still have not identified the cause of the fire that sent smoke into the cockpit, although attention has focused on possible electrical-wiring problems.

22.   Russian bombs and artillery rained down on the Chechen capital with renewed intensity Saturday, setting an oil depot ablaze and sending black smoke into the sky.

23.   Several rioters, their faces masked, burned tires and Israeli flags, sending black smoke billowing into the air.

24.   The blast sparked a fire that sent thick smoke over the area.

25.   The blast sent black smoke billowing into the air, and people on the crowded thoroughfare scattered in panic.

26.   The blast also started several fires that sent black smoke into the sky where police helicopters patrolled.

27.   The explosion sent black smoke billowing into the air, and people in the crowded area scattered in panic.

28.   The dead are cremated in Japan, but some people believe body parts must be burned to send their smoke to heaven.

29.   The explosion sent smoke billowing skyward and caused flames to leap from shop to shop in a densely packed alleyway, engulfing the structures, eyewitnesses said.

30.   The explosion sent smoke billowing skyward and caused flames to leap from shop to shop, quickly engulfing them, eyewitnesses said.