Aerial attacks between Israel and Iran continued overnight into Monday, marking a fourth day of strikes following Israel's Friday attack. That surprise strike hit the heart of Iran's nuclear program,

The death toll is growing as Israel and Iran exchanged missile attacks for a third consecutive day on Sunday, and Israel is warning that worse is to come.

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

By Alexander Cornwell, Parisa Hafezi and Jeff MasonTEL AVIV/DUBAI/WASHINGTON (Reuters) - Israel and Iran kept up their attacks, killing and wounding civilians and raising concern among world leaders at a G7 meeting in Canada this week that the biggest battle between the two old enemies could lead to a broader regional conflict.

For years, the veteran leader has made the destruction of Iran’s nuclear program his top priority, raising the issue in speech after speech in apocalyptic terms.

Israel said hundreds of airstrikes over the past two days killed nine senior scientists and experts involved in Iran’s nuclear program, in addition to several top generals.