India, June 21 -- Israel on Saturday reportedly said that it was preparing for a possibly long war against Iran as its military struck an Iranian nuclear facility in Isfahan overnight, killing Tehran's three senior commanders in targeted attacks.

Isfahan's deputy governor for security affairs, Akbar Salehi, confirmed that Israeli strikes damaged the nuclear research facility but clarified that there were no casualties, The Associated Press reported. Follow Israel Iran war live updates

This was the second attack on Isfahan. The Israeli military had first hit the enrichment site in the early 24 hours of the conflict last week. Israel had said that its strikes aimed to dismantle Iran's nuclear capabilities.

Iran also reported several loud...