Was Israel behind drone attack on Iran military installation?

Israel appears to have been behind a drone attack on a military factory in Iran, United States officials say. Iran said on Sunday that it intercepted drones targeting the facility near the central city of Isfahan, adding there were no casualties. The extent of damage could not be independently ascertained. Iranian state media released footage showing a flash in the sky and emergency vehicles at the scene. Israel was behind the drone attack, The Wall Street Journal cited unnamed US officials and people familiar with the strike as saying.