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Pighooey's avatar

Iain, thanks for including the link to my "fumes" video. Since making the video, I've found this very interesting snippet from the Manchester Arena Investigation (MAI) testimony.

Lea Vaughan, a HART paramedic, entered the City Room (along with a colleague) at 11.15pm, which was 45 minutes post-detonation. When she gave her evidence, she said...

"We’d come over the bridge where it was very bright and we’d gone into the City Room, and it was immediately darker. And there was also quite a HAZY ATMOSPHERE FROM DUST OR SMOKE."

The barrister then asked... "did that complicate the identification of injuries and which injuries were bleeding?"

To which she replied "yes."

So, after 45 minutes, the "atmosphere" was so hazy with "dust or smoke" that it impaired visibility, and yet, she was not asked the question I would've asked... "was it dust? Or smoke?"

If it was smoke... where was it coming from? Was something smouldering? Had the fire service been informed?

If it was dust... was it causing breathing difficulties for the people in there?

It's worth noting that I've not found anyone mention discomfort experienced from inhaling smoke or dust in the City Room that night. Many have mentioned that they saw smoke, a few have mentioned a smell of fireworks or similar, but we all know how it feels to breathe in a lungful of smoke or dust - not pleasant - and some of the victims were in that room for over an hour.

Lea Vaughan was then asked...

"Would it be a good idea for you to have some sort of lighting attached to your helmets?"

A. "We did, sir . As HART operatives, we have a head torch, but I didn’t turn it on. It didn’t enter

my mind."

SIR JOHN SAUNDERS: Would it have helped if you had?

A. I wouldn’t say so because in hazy atmospheres it makes a beam, rather than lighting up the place."

So, we have a "hazy atmosphere" of "smoke or dust" in which a torch "makes a beam, rather than lighting up the place", but I have not found any reports of victims or witnesses describing breathing difficulties, choking, coughing or stinging eyes.

Any explanations? Maybe this fits the bill.

"Haze machines create a fine and subtle haze with a long ‘hang’ time – the particles linger in the air for a long time before dissipating making them ideal for use at shows and concerts. They produce a much finer and less noticeable effect than smoke or low fog machines, as they are designed to emphasize the effects of lighting allowing you to see rays and patterns you would not normally see."

https://hamiltonfilmstudios.com/shop/product/rosco-v-hazer-kit-1012

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