In case Israel didn't notice, Russia just extended their nuclear umbrella over Iran. Reading between the lines: "everyone is so close over there that nobody [meaning Israel] would be unaffected. And if conflict of that kind happens, and a[n Israeli] strike is performed, then you can expect anything, including use of nuclear weapons [against Israel]."
Red Cross: Scale of sexual violence in South Sudan is unprecedented (Reuters)
from the article: Medvedev: Israeli strike on Iran could spark global catastrophe