Coloured balloons will be used as air-raid signals in the event of failure ff the usual sirens, It is announced here today.
"When a Japanese air raid ts likely, lor IE raiders are at a flying distance approximately one hour and 20 minnies from Chungking, one rod balloon will ce Up.
'The "frst alarm," meaning "Japai ese bombers are approaching Chung king." will be' Indicated by two be lowering both Meee he Sargent tar wil
bbaltoons, while the "all clear" will ndieated by using green balloon.
"Reuter.
Text read from the printed page and cleaned; old type leaves the occasional error.