It follows daytime attacks from both sides, with Israeli strikes in Tehran continuing and Iran firing more missiles towards Israel.

Israel unleashed airstrikes across Iran for a third day and threatened even greater force as some Iranian missiles evaded Israeli air defenses to strike buildings in the heart of the country.

The Israeli military struck "over 170 targets" in Iran in three days, the Israel Defense Forces (IDF) said on Sunday.

Israel and Iran have opened a new chapter in their long history of conflict when Israel launched a major attack with strikes early Friday on Tehran.

Iran and Israel continued on Sunday their aerial attacks, which began Friday with a series of Israeli strikes on Iran.

Israeli Prime Minister Benjamin Netanyahu is on the mission of his lifetime. For years, the veteran leader has made the destruction of Iran’s nuclear program his top priority.

The retaliatory strikes came on Saturday, a day after Israel killed top Iranian military leaders and scientists and destroyed an aboveground nuclear enrichment plant near Natanz.

The Israeli military said it killed nine senior scientists and experts who played a role in Iran’s nuclear program in strikes Friday. Israel says Iran intends to build a nuclear weapon, and is quite close to being able to.

The Israeli military warned Iranians living near nuclear reactors to evacuate, while Prime Minister Benjamin Netanyahu said the attacks by Israel so far were nothing compared with what Iran would see in the coming days.

Experts suggest the U.S. has a strategic opportunity to leverage Iran's weakened position for a nuclear deal after Israel's targeted strikes on Iranian nuclear and military sites.

Smoke and flames filled the sky over Tehran as Israel struck oil and gas facilities in the Iranian capital and targeted more nuclear facilities during attacks that carried on into Sunday after starting two days earlier.