During the raid I was on duty in a mobile telegraphy vehicle parked in a field on the outskirts, and on return to our billet, a lorry was waiting to evacuate us to temporary accommodation out of the city. We could see the drifting smoke but never knew of its lethal content. Neither, unfortunately, did the medical authorities.
Your correspondent, G Eric Townsend (Letters, 21 March) should read the book (published by Robert Hale), and he will find that Churchill knew of, yet denied, the presence of mustard gas.
Rayleigh, EssexReuse content