1.   Incas burned them to create noxious smoke as protection against invaders.

2.   Police fought back with rubber bullets and tear gas, clouding the air with noxious smoke.

3.   Most of the dead had been trapped in the balcony when the false ceilings in the hall caught fire and billowed noxious smoke into the upper level.

4.   Most of them had been trapped in the balcony when the ceilings in the hall caught fire and billowed noxious smoke into the upper level, Sharma said.

5.   Most of the dead had been trapped in the balcony when the ceilings in the hall caught fire and billowed noxious smoke into the upper level.

6.   Survivors spoke of smashing through windows, shinnying down drainpipes and jumping to the roof of an adjoining building to escape the noxious smoke and suffocating heat.

7.   Then they waited another hour as the noxious smoke filled the secondary cooling facility.