Berlin Takes Cover Real Gas In "Air Raid" -- The whole of Berlin yesterday joined in an mimic air ***** a sudden hooting at sirens caused the people to ***** and houses. Following deafening explosions, ***** from "bombs" on roof tops. A flaming gas main was ***** by bombs and fireman and men in asbestos suits worked ***** damaged roads. Real gas was used in one ***** the defence force were gas masks and used a special ***** clearing the air, following a mustard-gas attack.Crater in one of the roads supposedly made by a bomb and full of water ***** from bomb which quenched the fire. April 8, 1935. (Photo by Keystone).