Marines tweet 0700 est
https://twitter.com/usmc/status/1014463833010663424?s=12
UK counter-terrorism police looking into 'unknown substance' incident near Salisbury – police https://www.rt.com/uk/431691-police-salisbury-two-ill/
Very plausible
I still hold the firm belief that even though there haven’t been blatant Q proofs with the Marines like DoD, they are giving subtle hints here and there.
Such as this at :11 mark