11.   Thomas McSweeney, the director of aircraft certification at the aviation agency, said the holes were apparently made by electrical sparks, although tests were continuing.

12.   Or they made explosions of electrical sparks.

13.   An electrical spark in the undercarriage bay may have ignited the fuel, investigators believe.

14.   Firemen said electrical sparks from the machine, caused by a sudden surge of power, could have ignited the insecticide.

15.   Survivors said they saw electrical sparks and smoke shortly after midnight, moments before the trendy Ozone Disco Pub suddenly went pitch black.

16.   While the investigation has yet to be completed, an electrical spark is widely believed to have caused a fuel tank explosion.

17.   Urban fires, caused mostly from electrical sparks at faulty wires and fittings, are frequent during the summer.