Israel’s historic strike on Iran revealed years of Mossad activity inside the country, including hidden weapons, drones and assassinations of nuclear officials.

A wave of strikes targeted top military leaders and killed many of them; nuclear and military installations also were hit.

DUBAI, United Arab Emirates — (AP) — Israel attacked Iran’s capital early Friday, with explosions booming across Tehran.

Sirens sounded in Israel as the Israel's military said Iran launched ballistic missiles and more than 100 drones in what appeared to be the start of Iranian retaliation for Israeli strikes on its nuclear facilities.

Israel’s multilayered air-defense system is credited with protecting the country from serious damage or casualties from past Iranian attacks

Crowds of demonstrators rallied in Tehran calling for retaliation after Israeli strikes on Iran and questioning whether the country should continue negotiations with the United States over a potential nuclear deal.

Israel’s military said Friday it had detected dozens of missiles launched from Iran and was working to intercept them. Residents were told to get into shelters and not leave without an official all-clear.

Follow the latest news after Israel launched strikes at Iran, a dramatic escalation in long-running tensions between the two countries.