11.   Airport officials said the power failure was due to a technical fault.

12.   An air force spokesman said the cause of the crash was probably pilot error or a technical fault, and that an attack by Tamil separatist rebels was unlikely.

13.   An air force spokesman said the cause of the crash was probably pilot error or a technical fault, and that a rebel attack was the least likely explanation.

14.   An investigation is being conducted but initial indications indicated the crash was caused by a technical fault, the military officials said.

15.   But it appears so far that one of the trains might have run a red stop signal, since no technical faults had been found on the line.

16.   But Russian media said such a conclusion was to be expected, because Energiya was unlikely to blame itself for technical faults.

17.   He also said no technical faults were found on the line Wednesday, so one of the trains apparently missed a stop signal.

18.   He said the likely cause was a technical fault in the steering.

19.   However, the air force on Wednesday grounded all six of its Hercules aircraft due to a technical fault.

20.   India lost three aircraft in the fighting, admitting that two were shot down by surface-to-air missiles and one by a technical fault.