Iran and the U.S. have held five rounds of talks since April 12, aiming to hash out a deal that limits Iran’s nuclear program in exchange for the removal of sanctions on Tehran.

Israel’s sweeping attack across Iran struck at the heart of Tehran’s nuclear program, delivering a blow to the country’s ability to enrich uranium and potentially setting its nuclear ambitions back by months or years.

The Israeli military said it struck Iran early Friday morning, attacking dozens of targets, including nuclear sites, and killing top Iranian military officials and scientists.

Israel launched a wave of unprecedented strikes on Iran shortly before sunrise Friday morning, hitting key sites in the nation’s nuclear program.

The Israeli military targeted Iranian nuclear facilities, research scientists and senior military commanders in dozens of preemptive airstrikes​.

The two sides were scheduled to meet for a sixth round of negotiations on Sunday. Oman, which was set to host the talks, said on Saturday that this round had been canceled.

Israel's strikes on Iran have taken aim at its nuclear facilities, amid fears that the Islamic republic is seeking to develop nuclear weapons -- an accusation Tehran denies.Experts told AFP that while the attacks might have caused some damage to Iran's nuclear programme,

Iran’s most important nuclear sites at Natanz and Fordow have escaped significant damage from Israeli strikes, according to reports and satellite imagery.

Three people have been killed in Israel, according to officials and local media, with both sides saying the strikes will continue.