Sirens that could be heard through the city would go off to let people know that they should seek shelter.
Sirens
during air raids people went into an air raid shelter , because it would be made out of thick concrete that would shelter and protect you from any ,type of bomb.
Air raid sirens
by a warden setting of the air-raid siren
During air-raids, people went to things called Air-Raid Shetlers, which would be thick walls of concrete. It would be safe during the wars because the bombs wouldn't be able to hit them.
I should imagine the air raid wardens by sounding an air raid siren!
they warned people about air raids
They put up air raid shelters; warned people with posters; the arp was set up also to contribute to the war effort.
to protect people from air raids.
Air raids on Britain by Germany mainly used Zeppelin airships, although in 1917, aeroplanes were used. Tthe raids generated fear amongst the civilian population and consumed more resources than the actual raids - more than 10,000 men were diverted to air defenses. Altogether 557 people were killed in air raids in Britain in approximately 100 raids.
Who's air raids?
Air raids is a noun.
Duck and Cover.
during air raids people went into an air raid shelter , because it would be made out of thick concrete that would shelter and protect you from any ,type of bomb.
Air raid sirens
A series of air raids is known as a Blitz.
by a warden setting of the air-raid siren
A series of air raids is called a blitz.. Air raids refer to attacks by aircraft usually during war. The German Nazis conducted air raids on various countries, including England and Poland.