Accounts conflict Whether Iran or Iranian state actors were involved in the suspected plot
Burnham said there were strong indications Iran played a part; police assessed Iranian state involvement as highly likely, and US and European officials cited by The Wall Street Journal said intelligence pointed to a potential IRGC drone attack.
Iran denied involvement and called the accusations baseless or malicious speculation.
Sources (2)
Iran's embassy in London, Iranian Embassy in London · our summary of Deutsche Welle
“…unfounded and malicious speculations published by some British individuals and media outlets”
