DUBAI, June 13. /TASS/. Iran pledged a tough response to Israel’s Friday air strikes, Al Jazeera reported citing a military spokesman.

The spokesman said Israel would pay "a heavy price."

Previously, Israeli Prime Minister Benjamin Netanyahu announced the start of Operation Rising Lion, aimed against Iran’s nuclear program. Israeli Defense Minister Israel Katz called it a "preemptive strike" and warned his compatriots about Iran’s retaliatory attack.