Air-raid siren sounds the warning. Air-raid sirens first sounded the warning in London in September 1939. They became an almost daily part of life in the capital a year later during the height of ...

The sound of the 'warning' signal and the 'all clear' would become very familiar to people living in large cities in Britain. Air raid sirens were placed on the top of tall buildings - often ...

[MrExpert] is here with the build you need – an air raid siren you can print at home ... However, the key to getting that authentic sound is in the sweep of the tone. By replacing the servo ...

Sirens sound in the Dnipropetrovsk, Kirovohrad, Kharkiv and Cherkasy regions, as well as in the parts of the DPR and Zaporozhye regions controlled by Kyiv KIEV, December 29. /TASS/. Air raid ...

"I could tell right away that the sirens didn't sound like the normal tornado siren. It had the up-and-down pitch of an air raid or an attack siren," added Behnke. That's exactly the tone ...

TASS/. Air raid sirens went off across Ukraine on Wednesday, according to the official air raid resource. Air raid sirens last sounded across the entire country on Saturday, December 17.

TAIPEI--Sirens rang out, roads emptied and people were ordered to stay indoors in Taiwan’s capital Taipei on Tuesday during an annual air-raid exercise simulating a Chinese missile attack.