31.   In one attack, an oil tank exploded on the outskirts of Grozny.

32.   Investigators quoted witnesses as saying the victims were using an acetylene torch for welding when the nearby oil tank exploded.

33.   It said a saw dust collection tank exploded while the victims were trying to douse a fire below the tank with water, Bernama quoted police as saying.

34.   It was not immediately clear what caused the toluene tank to explode, a spokesman for the State Emergency Situations Directorate said.

35.   Its underground tank exploded when inspectors on a routine check for leaks failed to fully secure a valve, state gas officials said after a preliminary investigation.

36.   Lajous said the first tank exploded Monday afternoon apparently because of repair work to a faulty valve.

37.   No one was in the factory, which manufactures carburetors, when the liquefied petroleum gas tank exploded.

38.   One worker was killed and two were badly injured injured when a tank of toluene exploded at a synthetic rubber factory Sunday morning, an official said.

39.   One worker was killed and two were badly injured when a tank of flammable liquid exploded at a synthetic rubber factory Sunday morning, an official said.

40.   Other tanks exploded after the initial blast, but Barabara knew of no more casualties.