Iran's Supreme Leader, Ayatollah Ali Khamenei, has vowed a 'severe punishment' in response to Israeli airstrikes that he described as a 'heinous crime' against the

Israel launched strikes on Iran’s capital early Friday, with explosions booming across Tehran as Israel said it targeted nuclear and military sites.

Iran quickly retaliated by sending a swarm of drones at Israel, and Supreme Leader Ayatollah Ali Khamenei warned of “severe punishment.”