Iran and armed groups backed by it are preparing coordinated action meant to deter Israel but avert all-out war, sources and analysts said, after the killings of top Hamas and Hezbollah figures. On Wednesday, Iranian officials met in Tehran with representatives of the so-called "Axis of Resistance" -- a loose alliance of Tehran-backed groups hostile to Israel -- to discuss retaliation for the deaths of Hamas's leader and Hezbollah's top military commander, said a source. "Two scenarios were discussed: a simultaneous response from Iran and its allies or a staggered response from each party," the source said.