Its faint, but from the hovel anyone listening would hear it...

A far of screaming, a bellowing in fact... Someone or something, lost in the labrynth under the city is screaming bloody murder and the echoes are carrying...

The first thought in any sane Nossies mind would be.. better hope it doesnt find any of the cameras...

(If you wish to investigate this, see the thread in the sewers titled: 'Rabid dogs are to be put down.' )