21.   He said the plane ignited random fires on either side of its path, some of which continued to smolder Friday.

22.   He was clearly the spark that ignited the fire.

23.   In each case, the afterburner broke free and the engine fell apart, igniting a fire as flying debris ruptured the fuel lines.

24.   In response, demonstrators threw stones and ignited fires.

25.   Israeli soldiers fired heavy machine guns and tank shells at the refugee camp, damaging buildings, igniting fires, cutting electric power and plunging panicked residents into darkness.

26.   Investigations showed that aluminum connections at outlets and switches could deteriorate over time and overheat as a result, igniting fires.

27.   It also ignited a fire on a telephone wire two blocks away.

28.   Just then the plane dove into a nearby apartment igniting several fires.

29.   Lightning strikes ignited the fire Friday.

30.   Lightning ignited the fire Friday.