Srinagar, June 15 -- Deadly conflict on cards. It's almost a state of global alarm. Reports in Irani media claim at least six nuclear scientists were killed by Israeli strikes.Tehran's anguish is understandable. On the question of American hands behind the strikes, 'Tehran Times' says while the U.S. hasn't officially admitted to cooperating with Israel, there are signs of involvement-such as American refuelling tankers operating near Iran 24 hours before the strike - along with unofficial reports suggesting U.S.-Israeli coordination. The US has tried to wash off its hands in initial knee-jerk reaction."Tonight, Israel took unilateral action against Iran. We are not involved in strikes against Iran and our top priority is protecting Americ...