“It would be a step that would radically destabilize the whole situation,” said Deputy Foreign Minister Sergei Ryabkov at the St Petersburg International Economic Forum, according to the Russian Interfax news agency. Even speculation over US participation is dangerous, the diplomat said.

https://www.msn.com/en-ca/news/world/russia-warns-united-states-against-direct-attacks-on-iran/ar-AA1GXhUB?